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<!doctype html><html><head><title>Настройки за Google Наука</title><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=Edge"><meta name="referrer" content="always"><meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=2"><meta name="format-detection" content="telephone=no"><link rel="shortcut icon" href="/favicon.ico"><style>html,body,form,table,div,h1,h2,h3,h4,h5,h6,img,ol,ul,li,button{margin:0;padding:0;border:0;}table{border-collapse:collapse;border-width:0;empty-cells:show;}html,body{height:100%}#gs_top{position:relative;box-sizing:border-box;min-height:100%;min-width:964px;-webkit-tap-highlight-color:rgba(0,0,0,0);}#gs_top>*:not(#x){-webkit-tap-highlight-color:rgba(204,204,204,.5);}.gs_el_ph #gs_top,.gs_el_ta 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се...</div><div id="gs_md_err" style="display:none">Системата не може да изпълни операцията сега. Опитайте отново по-късно.</div><div id="gs_md_s"></div><div id="gs_hdr_drw" class="gs_md_ulr gs_md_ds" role="dialog" tabindex="-1" data-shd="gs_hdr_drs" data-wfc="gs_hdr_drw_mnu" data-cfc="gs_hdr_mnu"><div id="gs_hdr_drw_in"><div id="gs_hdr_drw_top"><a href="javascript:void(0)" id="gs_hdr_drw_mnu" role="button" aria-controls="gs_hdr_drw" aria-label="Опции" class="gs_btnMNT gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_drw_lgo" href="/schhp?hl=bg&as_sdt=0,5" aria-label="Начална страница"></a></div><div><div class="gs_hdr_drw_sec"><a href="/citations?hl=bg" role="menuitem" class="gs_btnPRO gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Моят потребителски профил</span></a><a href="/scholar?scilib=1&hl=bg&as_sdt=0,5" role="menuitem" class="gs_btnL gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Моята библиотека</span></a><a href="/scholar_alerts?view_op=list_alerts&hl=bg" role="menuitem" class="gs_btnM gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Сигнали</span></a><a href="/citations?view_op=metrics_intro&hl=bg" role="menuitem" class="gs_btnJ gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Показатели</span></a></div><div class="gs_hdr_drw_sec"><a href="/scholar_settings?hl=bg&as_sdt=0,5" role="menuitem" class="gs_btnP gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Настройки</span></a></div></div><div id="gs_hdr_drw_bot" class="gs_hdr_drw_sec"><a href="https://accounts.google.com/Login?hl=bg&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dbg%26as_sdt%3D0,5" class=" gs_in_ib gs_md_li gs_md_lix gs_in_gray"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl">Вход</span></a></div></div></div><div id="gs_hdr" role="banner"><a href="javascript:void(0)" id="gs_hdr_mnu" role="button" aria-controls="gs_hdr_drw" class="gs_btnMNT gs_hdr_dso gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a href="/schhp?hl=bg&as_sdt=0,5" id="gs_hdr_bck" role="button" class="gs_btnALT gs_hdr_mbo gs_in_ib gs_btn_lrge"><span class="gs_ico"></span><span class="gs_ia_notf"></span><span class="gs_lbl"></span></a><a id="gs_hdr_lgo" class="gs_hdr_dso" href="/schhp?hl=bg&as_sdt=0,5" aria-label="Начална страница"></a><div id="gs_hdr_md"><h1 class="gs_hdr_mbo" dir="ltr">Настройки</h1></div><div id="gs_hdr_act"><a id="gs_hdr_act_s" href="https://accounts.google.com/Login?hl=bg&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dbg%26as_sdt%3D0,5">Вход</a></div></div><style>#gs_alrt{position:fixed;bottom:48px;left:16px;max-width:384px;z-index:1250;display:flex;justify-content:space-between;align-items:center;font-size:13px;line-height:16px;color:#e2e2e2;background:#333;text-align:left;border-radius:3px;box-shadow:0 3px 5px -1px rgba(0,0,0,.2),0 6px 10px 0 rgba(0,0,0,.14),0 1px 18px 0 rgba(0,0,0,.12);visibility:hidden;transform-origin:center;transform:scale(0.8,0.8) translate(0,100%);}.gs_el_ph #gs_alrt{bottom:0;left:0;width:100%;max-width:none;border-radius:0;box-shadow:none;transform:scale(1,1) translate(0,100%);}#gs_alrt.gs_vis{visibility:visible;transform:scale(1,1) translate(0,0);}#gs_alrt.gs_anm{transition:transform .067s cubic-bezier(.4,0,1,1),visibility 0s .067s;}#gs_alrt.gs_vis.gs_anm{transition:transform .067s cubic-bezier(0,0,.2,1);}.gs_el_ph #gs_alrt.gs_anm{transition:transform .084s cubic-bezier(.4,0,1,1),visibility 0s .084s;}.gs_el_ph #gs_alrt.gs_vis.gs_anm{transition:transform .1s cubic-bezier(0,0,.2,1);}#gs_alrt_m{display:block;padding:16px;}#gs_alrt_l{display:block;padding:8px;margin:0 8px 0 -8px;border-radius:3px;color:#fcc934;text-transform:uppercase;text-decoration:none;}#gs_alrt_l:hover{background-color:rgba(255,255,255,.05)}#gs_alrt_l:active{background-color:rgba(255,255,255,.1)}#gs_alrt_l:empty{display:none}#gs_alrt_m a{padding:8px 0;color:#e2e2e2;text-decoration:underline;}#gs_alrt_m a:active{color:#f6aea9}</style><form action="" method="post" id="gs_alrt"><span id="gs_alrt_m"></span><span id="gs_alrt_h"></span><a id="gs_alrt_l" href="javascript:void(0)" class="gs_fm_s" data-fm="gs_alrt"></a></form><form id="gs_bdy_frm" action="/scholar_setprefs" method="GET"><input type=hidden name="sciifh" value="1"><input type=hidden name="inststart" value="0"><input type=hidden name="scisig" value="AFWwaeYAAAAAZ2nk4HPDg2IJLAHXFp6DA4Ge_-4"><input type=hidden name="xsrf" value=""><input type="image" border="0" name="nosubmit" src="/scholar/images/cleardot.gif" tabindex="-1"><div id="gs_ab" class=" gs_nta gs_nph"><div id="gs_ab_ico" class="gs_btnGSL"><span class="gs_ico"></span></div><div id="gs_ab_ttl"><div class="gs_ab_mdw">Настройки</div></div><div id="gs_ab_md"><div class="gs_ab_mdw"></div></div><div id="gs_ab_btns"></div></div><div id="gs_bdy"><div id="gs_bdy_sb" role="navigation"><div id="gs_bdy_sb_in"><ul id="gs_settings_tabs" class="gs_bdy_sb_sec" role="tablist"><li class="gs_ind gs_bdy_sb_sel" role="presentation"><a href="#0" role="tab" aria-controls="gs_settings_pnl_search" id="gs_settings_tab_search" aria-selected="true">Резултати от търсенето</a></li><li class="gs_ind" role="presentation"><a href="#1" role="tab" aria-controls="gs_settings_pnl_langs" id="gs_settings_tab_langs" aria-selected="false">Езици</a></li><li class="gs_ind" role="presentation"><a href="#2" role="tab" aria-controls="gs_settings_pnl_liblinks" aria-selected="false">Връзки към библиотеки</a></li><li class="gs_ind" role="presentation"><a href="#3" role="tab" aria-controls="gs_settings_pnl_account" id="gs_settings_tab_account" aria-selected="false">Профил</a></li><li class="gs_ind" role="presentation" id="gs_settings_promo_tab"><a href="#4" role="tab" aria-controls="gs_settings_pnl_promos" id="gs_settings_tab_extensions" aria-selected="false">Разширения на браузъра</a></li></ul></div></div><div id="gs_bdy_ccl" role="main"><div id="gs_settings_ccl"><div class="gs_alrt">Изглежда сте деактивирали „cookies“. <br> Зададените предпочитания няма да влязат в сила, докато не активирате „cookies“ в браузера си.<br><a href="//support.google.com/accounts/answer/61416?hl=bg">Как да позволя cookies?</a></div><div class="gs_settings_panel gs_vis" role="tabpanel" aria-labelledby="gs_settings_tab_search" id="gs_settings_pnl_search"><div class="gs_settings_section"><h3>Резултати на страница</h3><div class="gs_settings_value"><table cellpadding="0" id="gs_num_table"><tr><td><div id="gs_num-r" class="gs_md_r gs_md_ris"><input type="hidden" name="num" id="gs_num" value="10" class="gs_md_in"><button type="button" id="gs_num-b" aria-controls="gs_num-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_num-bl">10</span><span class="gs_icm"></span></span></button><div id="gs_num-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="10" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">10</a><a role="option" tabindex="-1" data-v="20" href="javascript:void(0)" class="gs_md_li">20</a></div></div></div></td><td id="gs_num_help">Стандартът на Google (по 10 на страница) осигурява най-бързи резултати.</td></tr></table></div></div><div class="gs_settings_section"><h3>Къде да се отварят резултатите</h3><div class="gs_settings_value gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="newwindow" id="gs_nw" value="1"><label for="gs_nw">Всеки избран резултат да се отваря в нов прозорец на браузъра</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div><div class="gs_settings_section"><h3>Библиографски софтуер</h3><div class="gs_settings_value"><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="scis" value="no" id="gs_settings_import_none" checked><label for="gs_settings_import_none">Да не се показват връзки за импортиране на библиографски описания.</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div id="gs_sil" class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="scis" value="yes" id="gs_settings_import_some"><label for="gs_settings_import_some">Да се показват връзки за импортиране на библиографски описания в </label><span class="gs_chk"></span><span class="gs_cbx"></span></span><div class="gs_ibl"><div id="gs_settings_impw"><div id="gs_settings_import-r" class="gs_md_r gs_md_ris"><input type="hidden" name="scisf" id="gs_settings_import" value="4" class="gs_md_in"><button type="button" id="gs_settings_import-b" aria-controls="gs_settings_import-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_settings_import-bl">BibTeX</span><span class="gs_icm"></span></span></button><div id="gs_settings_import-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="4" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">BibTeX</a><a role="option" tabindex="-1" data-v="3" href="javascript:void(0)" class="gs_md_li">EndNote</a><a role="option" tabindex="-1" data-v="2" href="javascript:void(0)" class="gs_md_li">RefMan</a><a role="option" tabindex="-1" data-v="1" href="javascript:void(0)" class="gs_md_li">RefWorks</a></div></div></div></div>.</div><span></span></div></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_langs" id="gs_settings_pnl_langs"><div class="gs_settings_section"><h3>За потребителския интерфейс на Google</h3><div class="gs_settings_value"><div id="gs_settings_hl-r" class="gs_md_r gs_md_ris"><input type="hidden" name="hl" id="gs_settings_hl" value="bg" class="gs_md_in"><button type="button" id="gs_settings_hl-b" aria-controls="gs_settings_hl-d" aria-haspopup="true" ontouchstart="gs_evt_dsp(event)" class=" gs_in_se gs_btn_lsb gs_press gs_md_tb"><span class="gs_wr"><span class="gs_lbl" id="gs_settings_hl-bl">Български</span><span class="gs_icm"></span></span></button><div id="gs_settings_hl-d" class="gs_md_d gs_md_ds gs_md_ulr" role="listbox" tabindex="-1"><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="bg" href="javascript:void(0)" class="gs_md_li gs_sel" aria-selected="true">Български</a><a role="option" tabindex="-1" data-v="ru" href="javascript:void(0)" class="gs_md_li">Русский</a><a role="option" tabindex="-1" data-v="sr" href="javascript:void(0)" class="gs_md_li">Српски</a><a role="option" tabindex="-1" data-v="uk" href="javascript:void(0)" class="gs_md_li">Українська</a><a role="option" tabindex="-1" data-v="ca" href="javascript:void(0)" class="gs_md_li">Català</a><a role="option" tabindex="-1" data-v="cs" href="javascript:void(0)" class="gs_md_li">Čeština</a><a role="option" tabindex="-1" data-v="da" href="javascript:void(0)" class="gs_md_li">Dansk</a><a role="option" tabindex="-1" data-v="de" href="javascript:void(0)" class="gs_md_li">Deutsch</a><a role="option" tabindex="-1" data-v="en" href="javascript:void(0)" class="gs_md_li">English</a><a role="option" tabindex="-1" data-v="es" href="javascript:void(0)" class="gs_md_li">Español</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="tl" href="javascript:void(0)" class="gs_md_li">Filipino</a><a role="option" tabindex="-1" data-v="fr" href="javascript:void(0)" class="gs_md_li">Français</a><a role="option" tabindex="-1" data-v="hr" href="javascript:void(0)" class="gs_md_li">Hrvatski</a><a role="option" tabindex="-1" data-v="id" href="javascript:void(0)" class="gs_md_li">Indonesia</a><a role="option" tabindex="-1" data-v="it" href="javascript:void(0)" class="gs_md_li">Italiano</a><a role="option" tabindex="-1" data-v="lv" href="javascript:void(0)" class="gs_md_li">Latviešu</a><a role="option" tabindex="-1" data-v="lt" href="javascript:void(0)" class="gs_md_li">Lietuvių</a><a role="option" tabindex="-1" data-v="hu" href="javascript:void(0)" class="gs_md_li">Magyar</a><a role="option" tabindex="-1" data-v="nl" href="javascript:void(0)" class="gs_md_li">Nederlands</a><a role="option" tabindex="-1" data-v="no" href="javascript:void(0)" class="gs_md_li">Norsk</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="pl" href="javascript:void(0)" class="gs_md_li">Polski</a><a role="option" tabindex="-1" data-v="pt-BR" href="javascript:void(0)" class="gs_md_li">Português (Brasil)</a><a role="option" tabindex="-1" data-v="pt-PT" href="javascript:void(0)" class="gs_md_li">Português (Portugal)</a><a role="option" tabindex="-1" data-v="ro" href="javascript:void(0)" class="gs_md_li">Română</a><a role="option" tabindex="-1" data-v="sk" href="javascript:void(0)" class="gs_md_li">Slovenčina</a><a role="option" tabindex="-1" data-v="sl" href="javascript:void(0)" class="gs_md_li">Slovenščina</a><a role="option" tabindex="-1" data-v="fi" href="javascript:void(0)" class="gs_md_li">Suomi</a><a role="option" tabindex="-1" data-v="sv" href="javascript:void(0)" class="gs_md_li">Svenska</a><a role="option" tabindex="-1" data-v="vi" href="javascript:void(0)" class="gs_md_li">Tiếng Việt</a><a role="option" tabindex="-1" data-v="tr" href="javascript:void(0)" class="gs_md_li">Türkçe</a></div><div class="gs_md_ul"><a role="option" tabindex="-1" data-v="el" href="javascript:void(0)" class="gs_md_li">Ελληνικά</a><a role="option" tabindex="-1" data-v="iw" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>עברית</span>‎</a><a role="option" tabindex="-1" data-v="ar" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>ﺎﻠﻋﺮﺒﻳﺓ</span>‎</a><a role="option" tabindex="-1" data-v="fa" href="javascript:void(0)" class="gs_md_li"><span dir=rtl>ﻑﺍﺮﺳی</span>‎</a><a role="option" tabindex="-1" data-v="hi" href="javascript:void(0)" class="gs_md_li">हिन्दी</a><a role="option" tabindex="-1" data-v="th" href="javascript:void(0)" class="gs_md_li">ไทย</a><a role="option" tabindex="-1" data-v="ko" href="javascript:void(0)" class="gs_md_li">한국어</a><a role="option" tabindex="-1" data-v="zh-CN" href="javascript:void(0)" class="gs_md_li">中文 (简体)</a><a role="option" tabindex="-1" data-v="zh-TW" href="javascript:void(0)" class="gs_md_li">中文 (繁體)</a><a role="option" tabindex="-1" data-v="ja" href="javascript:void(0)" class="gs_md_li">日本語</a></div></div></div></div></div><div class="gs_settings_section"><h3>За резултатите от търсенето</h3><div class="gs_settings_value"><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="lang" value="all" id="gs_settings_lr_all" checked><label for="gs_settings_lr_all">Търсенето да обхваща страници на всички езици</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_ra" onclick="void(0)"><input type="radio" name="lang" value="some" id="gs_settings_lr_some"><label for="gs_settings_lr_some">Търсене само в страници на тези езици:</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><table id="gs_settings_langs_lr"><tr><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_en" value="lang_en"><label for="gs_lr_en">английски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_es" value="lang_es"><label for="gs_lr_es">испански</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_it" value="lang_it"><label for="gs_lr_it">италиански</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_zh-CN" value="lang_zh-CN"><label for="gs_lr_zh-CN">китайски (опростен)</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_zh-TW" value="lang_zh-TW"><label for="gs_lr_zh-TW">китайски (традиционен)</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_ko" value="lang_ko"><label for="gs_lr_ko">корейски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_de" value="lang_de"><label for="gs_lr_de">немски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_nl" value="lang_nl"><label for="gs_lr_nl">нидерландски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_pl" value="lang_pl"><label for="gs_lr_pl">полски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_pt" value="lang_pt"><label for="gs_lr_pt">португалски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td><td><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_tr" value="lang_tr"><label for="gs_lr_tr">турски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_fr" value="lang_fr"><label for="gs_lr_fr">френски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="lr" id="gs_lr_ja" value="lang_ja"><label for="gs_lr_ja">японски</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></td></tr></table></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_liblinks" id="gs_settings_pnl_liblinks"><div class="gs_settings_section"><h3>Показване на връзки за достъп до следните библиотеки (изберете до пет):</h3><div class="gs_settings_value"><div id="gs_settings_liblinks_find"><div class="gs_in_txtw gs_in_txtb"><input type="text" class="gs_in_txt" name="instq" value="" id="gs_instq" maxlength="80" autocapitalize="off" aria-label="Търсене"><div class="gs_in_txts"></div></div><button type="submit" name="instfind" aria-label="Търсене на библиотека" class="gs_btnG gs_in_ib gs_btn_act gs_btn_lsb"><span class="gs_wr"><span class="gs_ico"></span><span class="gs_lbl"></span></span></button></div><div class="gs_gray">напр. <i>Библиотеката на СУ „Св. Климент Охридски“</i></div><div id="gs_settings_liblinks_lst"><div class="gs_settings_ind"><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="inst" id="gs_lib_569367360547434339" value="569367360547434339" checked><label for="gs_lib_569367360547434339">Open WorldCat - Търсене на библиотеки</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></div></div><div role="navigation"><span></span></div><p>С достъп до регистрите на библиотеката в интернет обикновено разполагат само нейни редовни читатели. Може да е необходимо да използвате паролата си за достъп, да влезете от компютър от мрежата на съответното учебно заведение или да настроите браузъра си за прокси сървъра на библиотеката. Моля, посетете сайта на библиотеката си или потърсете съдействие от неин служител.</p></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_account" id="gs_settings_pnl_account"><div class="gs_settings_section"><h3>Профил</h3><div class="gs_settings_value"><div>Не сте влезли в профила си в Google.</div><ul id="gs_settings_account_links"><li><a href="https://accounts.google.com/Login?hl=bg&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dbg%26as_sdt%3D0,5%233" class="gs_settings_account_link">Вход</a></li><li><a href="/citations?view_op=delete_account_options&continue=https://scholar.google.com/scholar_settings%3Fsciifh%3D1%26hl%3Dbg%26as_sdt%3D0,5%233&hl=bg&oi=settings" class="gs_settings_account_link">Изтриване или възстановяване на профила ви в Наука</a></li></ul></div></div><div class="gs_settings_section"><h3><span class="gs_in_cb" onclick="void(0)"><input type="checkbox" name="boi_access" id="gs_boi_access" value="1" checked><label for="gs_boi_access">Връзки за достъп извън учебното заведение, когато не сте в профила си</label><span class="gs_chk"></span><span class="gs_cbx"></span></span></h3><input type="hidden" name="has_boo_access" value="1"><input type="hidden" name="has_casa_opt_in" value="1"><div class="gs_settings_value"><span style="margin-right:24px">Използване на абонаментите за библиотеката в учебното ми заведение за активиране на връзките извън него.</span><a class="gs_settings_learn_more" href="/intl/en/scholar/help.html#access">Научете повече</a></div></div></div><div class="gs_settings_panel" role="tabpanel" aria-labelledby="gs_settings_tab_extensions" id="gs_settings_pnl_promos"><div class="gs_settings_section"><style>#gs_ext_promo_ping{position:absolute;top:0;left:0;width:1px;height:1px;}.gs_el_ta #gs_top #gsr_promo,.gs_el_ph #gs_top #gsr_promo{display:none;display:block;}#gsr_promo{display:none;width:644px;box-sizing:border-box;padding:32px;background-color:#f0f4f9;border-radius:16px;}#gsr_promo{display:block;width:100%;margin-top:7px;padding:24px;}#gsr_promo_header{position:relative;display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;margin-bottom:0;}#gsr_promo_title{display:flex;align-items:center;gap:16px;}#gsr_promo_title svg{background-color:#fff;min-width:36px;height:36px;border-radius:50%;box-shadow:0px 0px 2px 0px #0000004d;}#gsr_promo_title p{font-size:17px;text-align:left;color:#444;margin:0;}#gsr_promo_options{display:flex;align-items:center;justify-content:center;}#gsr_promo_try,#gsr_promo_x{display:inline-block;font-size:15px;line-height:15px;padding:8px 24px;text-align:center;}#gsr_promo_try{padding:10px 36px;}.gs_el_ph 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#gsr_promo_des{gap:0;margin-left:-24px;}.gs_el_ph .gsr_promo_des_item{background-color:transparent;box-shadow:none;}.gs_el_ph .gsr_promo_des_item_icon{box-shadow:0px 1px 2px 0px rgba(0, 0, 0, 0.30),0px 1px 3px 1px rgba(0, 0, 0, 0.15);}.gs_el_ph .gsr_promo_des_item_txt{display:none;}.gs_el_ta #gs_top #gsb_promo,.gs_el_ph #gs_top #gsb_promo{display:none;display:block;}#gsb_promo{display:none;box-sizing:border-box;background-color:#f0f4f9;border-radius:16px;}#gsb_promo{display:block;margin:21px 0 11px 0;padding:24px;}#gsb_promo_header{display:flex;align-items:center;justify-content:space-between;}#gsb_promo_title{display:flex;align-items:center;gap:16px;}#gsb_promo_title svg{background-color:#fff;min-width:36px;height:36px;border-radius:50%;box-shadow:0px 0px 2px 0px #0000004d;}#gsb_promo_title p{font-size:17px;text-align:left;color:#444;margin:0;}#gsb_promo_options{display:grid;grid-template-columns:repeat(2, 1fr);align-items:center;justify-content:center;gap:12px;margin-left:8px;}#gsb_promo_install,#gsb_promo_x{display:inline-block;font-size:15px;line-height:15px;padding:8px 24px;text-align:center;}#gsb_promo_install{text-decoration:none;color:#fff;background-color:#0b57d0;border-radius:100px;}#gsb_promo_install:hover{background-color:#3983fe;}#gsb_promo_install:active{background-color:#357ae8;}#gsb_promo_install{padding:10px 36px;}.gs_el_ph #gsb_promo_install{display:none;}#gsb_promo_body{margin:16px 0;}#gsb_promo_sb{display:flex;align-items:center;gap:16px;padding:6px 12px;border-radius:8px 8px 0 0;background-color:#fff;border-bottom:1px solid rgba(0,0,0,.1);}#gsb_promo_sb svg{height:20px;width:20px;}#gsb_promo_sb_nav{display:inline-flex;gap:16px;}#gsb_promo_sb_nav svg{}.gs_el_ph #gsb_promo_sb_nav{display:none;}#gsb_promo_sb_website{display:flex;flex:1;padding:5px 12px;justify-content:space-between;align-items:center;border-radius:100px;background-color:#edf2fa;}.gs_el_ph #gsb_promo_sb_website svg{display:none;}#gsb_promo_sb_website_name{font-size:13px;line-height:20px;}#gsb_promo_content_ref{font-size:13px;line-height:19px;margin-bottom:3px;text-align:left;}#gsb_promo_content{position:relative;border-radius:0 0 8px 8px;background-color:#fff;padding:6px 12px 3px;}#gsb_promo_panel{position:absolute;display:flex;z-index:1;top:4px;right:-10px;padding:8px 16px;background:#d3e3fd;border-radius:8px;color:#fff;box-shadow:0px 2px 2px rgba(0,0,0,.1);}#gsb_promo_panel_arrow{position:absolute;width:0;height:0;top:-10px;right:21px;border:11px solid transparent;border-top:none;border-bottom-color:#d3e3fd;z-index:1;}#gsb_promo_panel_des_list{display:grid;grid-template-columns:repeat(3, minmax(0, 1fr));gap:10px;}.gsb_promo_panel_des{display:flex;flex-direction:column;align-items:center;gap:4px;min-width:40px;max-width:96px;}.gsb_promo_panel_des svg{width:24px;height:24px;}.gsb_promo_panel_des_txt{font-size:13px;line-height:13px;color:#000;text-align:center;}.gsb_promo_content_line{display:flex;gap:12px;margin-bottom:6px;}.gsb_promo_content_small_line{width:28px;height:14px;border-radius:4px;background-color:#e1e3e1;}.gsb_promo_content_big_line{flex:1;height:14px;border-radius:4px;background-color:#e1e3e1;}#gsb_promo_content_blue_line{background-color:#d3e3fd;}#gsb_promo_content_blur{width:100%;height:48px;background:linear-gradient(180deg, rgba(240, 244, 249, 0.00) 22.58%,#f0f4f9 100%);z-index:1;position:absolute;bottom:0;left:0;}</style><div id="gsr_promo" data-trk="/scholar_gsr_promo_trk?var=b&hl=bg&ei=iOJpZ4q3JpOW6rQP3-rzuQM&loc=settings"><div id="gsr_promo_header"><div id="gsr_promo_title"><svg viewBox="0 0 40 40"><rect x="24.8842" y="14.9712" width="3.97086" height="13.2362" fill="#356ac3"/><rect x="19.5897" y="11" width="3.97086" height="17.2071" fill="#4285f4"/><rect x="15.6212" y="14.9478" width="3.97086" height="13.2425" transform="rotate(30 15.6212 14.9478)" fill="#76a7fa"/></svg><p>PDF четец в Наука</p></div></div><div id="gsr_promo_body"><div id="gsr_promo_reader"><div id="gsr_promo_reader_tb"><div id="gsr_promo_reader_tb_icons"><svg viewBox="0 0 6 6"><path d="M0.8 1.3H2.5V2.9L1.9 4.1L1.7 4.0L2.2 3.0H0.8V1.3Z"/><path d="M3 1.3H4.6V2.9L4 4.1L3.8 4.0L4.3 3.0H3.0V1.3Z"/></svg><svg viewBox="0 0 6 6"><path d="M3.7 3.2V3.8H1.2V3.2H0.8V3.8C0.8 4 1 4.2 1.2 4.2H3.7C4 4.2 4.1 4 4.1 3.8V3.2H3.7ZM3.5 2.4L3.2 2.1L2.7 2.6V1.0H2.3V2.6L1.7 2.1L1.4 2.4L2.5 3.4L3.5 2.4Z"/></svg><svg viewBox="0 0 6 6"><path d="M4.1 1.7V1.1H2.3V1.7H2.0V0.7H4.4V1.7H4.1ZM1.6 2.1C1.6 2.1 1.6 2.1 1.6 2.1C1.7 2.1 1.7 2.1 1.8 2.1H4.6C4.7 2.1 4.7 2.1 4.8 2.1C4.8 2.1 4.8 2.1 4.8 2.1H4.4H2H1.6ZM4.4 2.6C4.5 2.6 4.5 2.6 4.5 2.6C4.6 2.5 4.6 2.5 4.6 2.4C4.6 2.4 4.6 2.3 4.5 2.3C4.5 2.3 4.5 2.2 4.4 2.2C4.3 2.2 4.3 2.3 4.3 2.3C4.2 2.3 4.2 2.4 4.2 2.4C4.2 2.5 4.2 2.5 4.3 2.6C4.3 2.6 4.3 2.6 4.4 2.6ZM4.1 3.9V3.1H2.3V3.9H4.1ZM4.4 4.3H2.0V3.5H1.2V2.3C1.2 2.1 1.3 2 1.4 1.9C1.5 1.8 1.6 1.7 1.7 1.7H4.7C4.8 1.7 5 1.8 5.1 1.9C5.2 2 5.2 2.1 5.2 2.3V3.5H4.4V4.3ZM4.8 3.1V2.3C4.8 2.3 4.8 2.2 4.8 2.2C4.7 2.1 4.7 2.1 4.6 2.1H1.8C1.7 2.1 1.7 2.1 1.6 2.2C1.6 2.2 1.6 2.3 1.6 2.3V3.1H2V2.7H4.4V3.1H4.8Z"/></svg></div></div><div id="gsr_promo_reader_body"><div id="gsr_promo_reader_nav"><div id="gsr_promo_reader_nav_ot"><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div><div class="gsr_promo_nav_line gsr_promo_nav_line_long"></div><div id="gsr_promo_reader_nav_ot_dropdown"><svg viewBox="0 0 21 21"><path d="M15.498 8.561L14.5015 7.43988L10.4998 10.997L6.49805 7.43988L5.5015 8.561L10.4998 13.0039L15.498 8.561Z"/></svg><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div></div><div class="gsr_promo_nav_line gsr_promo_nav_line_long"></div><div class="gsr_promo_nav_line gsr_promo_nav_line_short"></div></div></div><div id="gsr_promo_reader_page"><div class="gsr_promo_page_para"><div class="gsr_promo_page_line"><div id="gsr_promo_citation_1"><div class="gsr_promo_citation">[1]</div></div></div><div class="gsr_promo_page_line"></div><div id="gsr_promo_line_end_1" class="gsr_promo_page_line"></div></div><div class="gsr_promo_page_para"><div class="gsr_promo_page_line"></div><div class="gsr_promo_page_line"><div id="gsr_promo_citation_2"><div class="gsr_promo_citation">[2]</div></div></div><div id="gsr_promo_line_end_2" class="gsr_promo_page_line"></div></div><div class="gsr_promo_page_para" id="gsr_promo_page_last_para"><div class="gsr_promo_page_line"></div><div class="gsr_promo_page_line"></div><div id="gsr_promo_line_end_3" class="gsr_promo_page_line"><div id="gsr_promo_citation_3"><div class="gsr_promo_citation">[1]</div></div></div></div></div></div><div id="gsr_promo_page_blur"></div></div><div id="gsr_promo_des"><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#4d90fe"><path d="M8.1 12.6H5.4C4.4 12.6 3.55 12.25 2.85 11.55C2.15 10.85 1.8 10 1.8 9C1.8 8 2.15 7.15 2.85 6.45C3.55 5.75 4.4 5.4 5.4 5.4H8.1V6.75H5.4C5 6.75 4 7 4 7.5C3.5 8 3.15 8.375 3.15 9C3.15 9.625 3.5 10 4 10.5C4 11.5 5 11.25 5.4 11.25H8.1V12.6ZM6.3 9.675V8.325H11.7V9.675H6.3ZM9.9 12.6V11.25H12.6C13.2 11.25 13.75 11.5 14 10.5C14.5 10 14.85 9.625 14.85 9C14.85 8.375 14.5 8 14 7.5C13.75 7 13.2 6.75 12.6 6.75H9.9V5.4H12.6C13.6 5.4 14.45 5.75 15.15 6.45C15.85 7.15 16.2 8 16.2 9C16.2 10 15.85 10.85 15.15 11.55C14.45 12.25 13.6 12.6 12.6 12.6H9.9Z"/></svg></div><div class="gsr_promo_des_item_txt">Следване на препратки</div></div><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#777"><path d="M3 6.75C3.5 6.75 3.75 6.5 3.75 6C3.75 5.5 3.5 5.25 3 5.25C2.5 5.25 2.25 5.5 2.25 6C2.25 6.5 2.5 6.75 3 6.75ZM3.75 9C3.75 9.5 3.5 9.75 3 9.75C2.5 9.75 2.25 9.5 2.25 9C2.25 8.5 2.5 8.25 3 8.25C3.5 8.25 3.75 8.5 3.75 9ZM3.75 12C3.75 12.5 3.5 12.75 3 12.75C2.5 12.75 2.25 12.5 2.25 12C2.25 11.5 2.5 11.25 3 11.25C3.5 11.25 3.75 11.5 3.75 12ZM15.75 9.75H5.25V8.25H15.75V9.75ZM5.25 12.75H15.75V11.25H5.25V12.75ZM5.25 6.75V5.25H15.75V6.75H5.25Z"/></svg></div><div class="gsr_promo_des_item_txt">Общ изглед на съдържанието</div></div><div class="gsr_promo_des_item"><div class="gsr_promo_des_item_icon"><svg viewBox="0 0 18 18" fill="#777"><path d="M2 4.5H8V10.5L6 14.5L5.25 14.5L7.5 11H2V4.5Z"/><path d="M10 4.5H16V10.5L13.75 14.5L13 14.5L14.7405 11H10V4.5Z"/></svg></div><div class="gsr_promo_des_item_txt">Цитиране и запазване</div></div></div></div><h3 class="gs_promos_header">Внимателно четете безпроблемно статии в PDF формат</h3><p class="gs_promos_info">За съжаление, четецът в Наука не е налице за този браузър. Той работи в скорошните версии на <a href="https://chromewebstore.google.com/detail/google-scholar-pdf-reader/dahenjhkoodjbpjheillcadbppiidmhp?hl=bg&utm_medium=web&utm_source=scholar&utm_campaign=st">Chrome</a> за настолни компютри.</p></div><div id="gsb_promo" data-trk="/scholar_gsb_promo_trk?hl=bg&ei=iOJpZ4q3JpOW6rQP3-rzuQM&loc=settings"><div id="gsb_promo_header"><div id="gsb_promo_title"><svg viewBox="-7.5 -7.5 35 35"><path d="M10 0L20 7.91667L10 15.8333L0 7.91667L10 0Z" fill="#4285f4"/><path opacity="0.2" d="M20 7.91667L10 0V15.8333L20 7.91667Z" fill="black"/><path d="M15.8333 14.1668C15.8333 17.3876 13.2208 20.0001 9.99997 20.0001C6.77914 20.0001 4.16664 17.3876 4.16664 14.1668C4.16664 10.9459 6.77914 8.33344 9.99997 8.33344C13.2208 8.33344 15.8333 10.9459 15.8333 14.1668Z" fill="#a0c3ff"/><path d="M15.2708 11.6668C14.3354 9.69594 12.3271 8.33344 9.99999 8.33344C7.67291 8.33344 5.66457 9.69594 4.72916 11.6668H15.2708Z" fill="#76a7fa"/></svg><p>Бутон „Google Наука“</p></div></div><div id="gsb_promo_body"><div id="gsb_promo_sb"><div id="gsb_promo_sb_nav"><svg viewBox="0 0 21 20"><path fill="#474747" d="m7.646 10.875 4.083 4.063-1.229 1.229L4.333 10 10.5 3.833l1.23 1.23-4.084 4.062h9.02v1.75h-9.02Z"/></svg><svg viewBox="0 0 21 20"><path d="M13.3542 10.875H4.33334V9.125H13.3542L9.27084 5.0625L10.5 3.83333L16.6667 10L10.5 16.1667L9.27084 14.9375L13.3542 10.875Z" fill="#1f1f1f" fill-opacity="0.38"/></svg><svg viewBox="0 0 21 20"><path d="M10.4792 16.1667C8.77085 16.1667 7.31252 15.5694 6.10419 14.375C4.90974 13.1667 4.31252 11.7083 4.31252 10C4.31252 8.29167 4.90974 6.84028 6.10419 5.64583C7.31252 4.4375 8.77085 3.83333 10.4792 3.83333C11.4097 3.83333 12.2709 4.02778 13.0625 4.41667C13.8542 4.79167 14.5347 5.30555 15.1042 5.95833V3.83333H16.6875V9.08333H11.4375V7.5H14.1459C13.7431 6.90278 13.2222 6.43055 12.5834 6.08333C11.9445 5.73611 11.2431 5.5625 10.4792 5.5625C9.24308 5.5625 8.19447 5.99306 7.33335 6.85417C6.47224 7.71528 6.04169 8.76389 6.04169 10C6.04169 11.2361 6.47224 12.2847 7.33335 13.1458C8.19447 14.0069 9.24308 14.4375 10.4792 14.4375C11.632 14.4375 12.6181 14.0625 13.4375 13.3125C14.257 12.5486 14.7292 11.6111 14.8542 10.5H16.625C16.5 12.0972 15.8472 13.4444 14.6667 14.5417C13.5 15.625 12.1042 16.1667 10.4792 16.1667Z" fill="#474747"/></svg></div><div id="gsb_promo_sb_website"><div id="gsb_promo_sb_website_name">example.edu/paper.pdf</div><svg viewBox="0 0 20 20"><path fill="#474747" d="M7.438 13.77 10 12.23l2.583 1.54-.687-2.895 2.25-1.917-2.959-.25L10 5.958l-1.188 2.75-2.958.25 2.271 1.917-.688 2.896Zm-2.625 3.584 1.375-5.833-4.584-3.917 6.021-.52L10 1.583l2.375 5.52 6.02.5-4.582 3.917 1.374 5.833L10 14.25l-5.188 3.104Z"/></svg></div><svg viewBox="0 0 20 20"><path d="M9.5 0L19.5 7.91667L9.5 15.8333L-0.5 7.91667L9.5 0Z" fill="#4285f4"/><path opacity="0.2" d="M19.5 7.91667L9.5 0V15.8333L19.5 7.91667Z" fill="black"/><path d="M15.3333 14.1668C15.3333 17.3876 12.7208 20.0001 9.49996 20.0001C6.27913 20.0001 3.66663 17.3876 3.66663 14.1668C3.66663 10.9459 6.27913 8.33344 9.49996 8.33344C12.7208 8.33344 15.3333 10.9459 15.3333 14.1668Z" fill="#a0c3ff"/><path d="M14.7708 11.6668C13.8354 9.69594 11.827 8.33344 9.49996 8.33344C7.17288 8.33344 5.16454 9.69594 4.22913 11.6668H14.7708Z" fill="#76a7fa"/></svg></div><div id="gsb_promo_content"><div id="gsb_promo_panel"><div id="gsb_promo_panel_arrow"></div><div id="gsb_promo_panel_des_list"><div class="gsb_promo_panel_des"><svg viewBox="0 0 20 20"><path d="M16.6 18.0085L10.3 11.7085C9.8 12.1085 9.225 12.4252 8.575 12.6585C7.925 12.8919 7.23333 13.0085 6.5 13.0085C4.68333 13.0085 3.14167 12.3835 1.875 11.1335C0.625 9.86688 0 8.32521 0 6.50854C0 4.69188 0.625 3.15854 1.875 1.90854C3.14167 0.641877 4.68333 0.00854349 6.5 0.00854349C8.31667 0.00854349 9.85 0.641877 11.1 1.90854C12.3667 3.15854 13 4.69188 13 6.50854C13 7.24188 12.8833 7.93354 12.65 8.58354C12.4167 9.23354 12.1 9.80854 11.7 10.3085L18 16.6085L16.6 18.0085ZM6.5 11.0085C7.75 11.0085 8.80833 10.5752 9.675 9.70854C10.5583 8.82521 11 7.75854 11 6.50854C11 5.25854 10.5583 4.20021 9.675 3.33354C8.80833 2.45021 7.75 2.00854 6.5 2.00854C5.25 2.00854 4.18333 2.45021 3.3 3.33354C2.43333 4.20021 2 5.25854 2 6.50854C2 7.75854 2.43333 8.82521 3.3 9.70854C4.18333 10.5752 5.25 11.0085 6.5 11.0085Z" fill="#444746"/></svg><div class="gsb_promo_panel_des_txt">Търсене</div></div><div class="gsb_promo_panel_des"><svg viewBox="0 0 21 22"><path fill-rule="evenodd" clip-rule="evenodd" d="M5.25 1.87573H12.25L17.5 7.12573V17.6257C17.5 18.5882 16.7125 19.3757 15.75 19.3757H5.24125C4.27875 19.3757 3.5 18.5882 3.5 17.6257L3.50875 3.62573C3.50875 2.66323 4.2875 1.87573 5.25 1.87573ZM5.25 3.62573V17.6257H15.75V8.00073H11.375V3.62573H5.25Z" fill="#444746"/></svg><div class="gsb_promo_panel_des_txt">Изтегляне на PDF файла</div></div><div class="gsb_promo_panel_des"><svg viewBox="0 0 24 24"><path d="M3.42859 6.86008H10.2857V13.8442H3.42859V6.86008Z" fill="#444746"/><path fill-rule="evenodd" clip-rule="evenodd" d="M2.85712 6.28865H10.8571V13.9769L8.05578 19.6833L7.02988 19.1797L9.3686 14.4156H2.85712V6.28865ZM9.71426 13.2728H3.99997V7.43151H9.71426V13.2728Z" fill="#444746"/><path d="M13.7143 6.86008H20.5714V13.8442H13.7143V6.86008Z" fill="#444746"/><path fill-rule="evenodd" clip-rule="evenodd" d="M13.1429 6.28865H21.1429V13.9769L18.3415 19.6833L17.3156 19.1797L19.6544 14.4156H13.1429V6.28865ZM20 13.2728H14.2857V7.43151H20V13.2728Z" fill="#444746"/></svg><div class="gsb_promo_panel_des_txt">Позоваване</div></div></div></div><div id="gsb_promo_content_ref">References</div><div class="gsb_promo_content_line"><div class="gsb_promo_content_small_line"></div><div class="gsb_promo_content_big_line" id="gsb_promo_content_blue_line"></div></div><div class="gsb_promo_content_line"><div class="gsb_promo_content_small_line"></div><div class="gsb_promo_content_big_line"></div></div><div class="gsb_promo_content_line"><div class="gsb_promo_content_small_line"></div><div class="gsb_promo_content_big_line"></div></div><div class="gsb_promo_content_line"><div class="gsb_promo_content_small_line"></div><div class="gsb_promo_content_big_line"></div></div><div id="gsb_promo_content_blur"></div></div></div><h3 class="gs_promos_header">Търсете доклади, докато сърфирате</h3><p class="gs_promos_info">За съжаление, бутонът за Наука не е налице за този браузър. Той работи в скорошните версии на <a href="https://chrome.google.com/webstore/detail/google-scholar-button/ldipcbpaocekfooobnbcddclnhejkcpn?hl=bg&utm_medium=web&utm_source=scholar&utm_campaign=st">Chrome</a> и <a href="https://addons.mozilla.org/bg/firefox/addon/google-scholar-button/">Firefox</a> за настолни компютри.</p></div></div></div><div id="gs_settings_buttons"><button type="submit" name="save" class=" gs_btn_act gs_btn_lsb"><span class="gs_wr"><span class="gs_lbl">Запазване</span></span></button><button type="button" onclick="window.location='/schhp?hl\x3dbg\x26as_sdt\x3d0,5'" class=" gs_btn_lsb"><span class="gs_wr"><span class="gs_lbl">Отказ</span></span></button><p class="gs_gray">За да запазите настройките, трябва да включите <a href="//support.google.com/accounts/answer/61416?hl=bg">„бисквитките“</a></p></div></div></div></div></form><div id="gs_ftr_sp" role="presentation"></div><div id="gs_ftr" class="gs_md_rmb" role="contentinfo"><div id="gs_ftr_rt"><a href="//www.google.com/intl/bg/policies/privacy/">Поверителност</a><a href="//www.google.com/intl/bg/policies/terms/">Условия</a><a href="javascript:void(0)" ontouchstart="gs_evt_dsp(event)" role="button" aria-controls="gs_ftr_mnu" aria-haspopup="true" class="gs_press gs_md_tb">Помощ</a></div><div id="gs_ftr_mnu" class="gs_md_d gs_md_ds gs_ttzi gs_md_ulr" role="menu" tabindex="-1"><a role="menuitem" href="/intl/bg/scholar/about.html" tabindex="-1" class="gs_md_li">Всичко за Наука</a><a role="menuitem" href="//support.google.com/websearch?p=scholar_dsa&hl=bg" tabindex="-1" class="gs_md_li">Търсене в Помощния център</a></div></div></div></body></html>