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The quality and accuracy of machine translation can vary significantly from one text to another. Read the page in original English <a onclick="goToLanguage('en')">here</a>.</div> <script type="text/javascript">/*<![CDATA[*/ // Determine if machine translation message should be shown function displayMachineTranslationMessage() { // Show if Italian, excluding certain pages if (thisSiteLanguage == 'it' && !document.querySelector('.columbia-page-home')) { document.querySelector('#machine-translation-message').style.display = null; } } displayMachineTranslationMessage();/*]]>*/</script> </div> <div class="mt-content-side"></div> <div id="mt-toc-container" data-title="Table des mati猫res" data-collapsed="true"> <button class="mt-toggle mt-summary-toggle ui-button-icon mt-toggle-expand">Table des mati猫res</button> <div class="mt-toc-content mt-collapsible-section mt-toc-hide"> <em>Pas d'entêtes</em> </div> </div> <div id="page-top"> <div id="topic"> <div id="pageText"> <div class="mt-help-search mt-lsf-search" id="mt-portfolio-search"><script type="application/json" id="mt-localizations-help-widget">/*<![CDATA[*/{"Help.Widget.button.text":"Rechercher","Help.Widget.label.text":"Requ\u00eate","Help.Widget.placeholder.text":"Rechercher WorldCat.org"}/*]]>*/</script><div class="mt-inputredirect" data-query-key="q" data-path="Discovery_and_Reference/WorldCat-org"></div></div> <div class="mt-page-summary"><div class="mt-page-overview">Documentation et autres ressources pour WorldCat.org et WorldCat Find.</div></div> <div class="mt-category-container mt-subpage-listings-container noindex"><ul class="mt-sortable-listings-container " id="mt-sortable" data-user-can-edit="false" data-page-id="2648"><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="2659"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started" rel="internal"><span class="mt-icon-article-topic-guide"></span>Pour commencer</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>Aucune image disponible</span></span></a></dd><dd class="mt-listing-detailed-overview">Commencer à utiliser WorldCat.org</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="À propos de la base de données WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started/About_the_WorldCat.org_database" rel="internal"><span class="mt-icon-article-topic"></span>À propos de la base de données WorldCat.org</a></li><li class="mt-show-more-listing"><a title="À propos de WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started/About_WorldCat-org" rel="internal"><span class="mt-icon-article-topic"></span>À propos de WorldCat.org</a></li><li class="mt-show-more-listing"><a title="Mon emplacement" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started/My_Location" rel="internal"><span class="mt-icon-article-topic"></span>Mon emplacement</a></li><li class="mt-show-more-listing"><a title="Connexion à WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started/Sign_in_to_WorldCat.org" rel="internal"><span class="mt-icon-article-topic"></span>Connexion à WorldCat.org</a></li><li class="mt-show-more-listing"><a title="Votre profil d'utilisateur WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Get_started/Your_WorldCat.org_user_profile" rel="internal"><span class="mt-icon-article-topic"></span>Votre profil d'utilisateur WorldCat.org</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="14202"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Search" rel="internal"><span class="mt-icon-article-topic-category"></span>Recherche</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Search" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>Aucune image disponible</span></span></a></dd><dd class="mt-listing-detailed-overview">Comment effectuer des recherches dans WorldCat.org, dans des bibliothèques à proximité et à travers le monde, et comment utiliser l'écran des détails sur l'ouvrage.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Chercher dans WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Search/Search_WorldCat_org" rel="internal"><span class="mt-icon-article-topic-guide"></span>Chercher dans WorldCat.org</a></li><li class="mt-show-more-listing"><a title="Écran contenant les détails sur l'ouvrage" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Search/Item_Details_screen" rel="internal"><span class="mt-icon-article-topic-guide"></span>Écran contenant les détails sur l'ouvrage</a></li><li class="mt-show-more-listing"><a title="Chercher des bibliothèques dans WorldCat.org" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Search/Search_WorldCat_org_libraries" rel="internal"><span class="mt-icon-article-topic-guide"></span>Chercher des bibliothèques dans WorldCat.org</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="14204"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Find_an_item" rel="internal"><span class="mt-icon-article-topic-guide"></span>Trouver un ouvrage</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Find_an_item" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>Aucune image disponible</span></span></a></dd><dd class="mt-listing-detailed-overview">Comment trouver un ouvrage dans votre bibliothèque, dans une bibliothèque à proximité ou en ligne en utilisant WorldCat.org.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Obtenir un ouvrage de votre bibliothèque" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Find_an_item/00Get_an_item_from_your_library" rel="internal"><span class="mt-icon-article-topic"></span>Obtenir un ouvrage de votre bibliothèque</a></li><li class="mt-show-more-listing"><a title="Trouver un ouvrage dans une bibliothèque à proximité" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Find_an_item/10Find_an_item_at_a_nearby_library" rel="internal"><span class="mt-icon-article-topic"></span>Trouver un ouvrage dans une bibliothèque à proximité</a></li><li class="mt-show-more-listing"><a title="Trouver un document en libre accès" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/Find_an_item/20Find_an_Open_Access_item" rel="internal"><span class="mt-icon-article-topic"></span>Trouver un document en libre accès</a></li></ul></dd></dl></li><li class="mt-sortable-listing mt-sortable-listing-detailed " data-page-id="14208"><dl class="mt-listing-detailed mt-edit-section"><dt class="mt-listing-detailed-title"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/WorldCat_lists" rel="internal"><span class="mt-icon-article-topic-guide"></span>Listes WorldCat.org</a></dt><dd class="mt-listing-detailed-image mt-hide-image"><a class="internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/WorldCat_lists" rel="internal"><span class="mt-sortable-listing-image mt-image-placeholder"><span>Aucune image disponible</span></span></a></dd><dd class="mt-listing-detailed-overview">Comment créer, gérer, importer, partager et voir des listes dans WorldCat.org.</dd><dd class="mt-listing-detailed-subpages"><ul class="mt-listings-simple mt-listing-article-list mt-topic-hierarchy-listings mt-guide-listings"><li class="mt-show-more-listing"><a title="Créer et gérer des listes" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/WorldCat_lists/Create_and_manage_lists" rel="internal"><span class="mt-icon-article-topic"></span>Créer et gérer des listes</a></li><li class="mt-show-more-listing"><a title="Générer des citations pour une liste" class="mt-listing-detailed-subpage-title internal" href="https://help-fr.oclc.org/Discovery_and_Reference/WorldCat-org/WorldCat_lists/Generate_citations_for_a_list" rel="internal"><span class="mt-icon-article-topic"></span>Générer des citations pour une liste</a></li><li 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