CINXE.COM
MathSciNet
<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta http-equiv="Content-Type" content="text/html; charset=utf-8"><meta name="viewport" content="width=device-width,initial-scale=1,shrink-to-fit=no"><meta http-equiv="expires" content="0"><meta http-equiv="Cache-Control" content="max-age=0, no-cache, no-store, must-revalidate"><meta http-equiv="Pragma" content="no-cache"><meta http-equiv="Expires" content="0"><meta name="robots" content="NOARCHIVE"><title>MathSciNet</title><link href="https://fonts.googleapis.com/css2?family=Open+Sans:ital,wght@0,300;0,400;0,600;0,700;0,800;1,300;1,400;1,600;1,700;1,800&display=swap" rel="stylesheet"><link rel="icon" href="https://www.ams.org/images/Logo-Favicon.png"><link href="/mathscinet/fe/assets/css/access_error.fbde5bb0.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/api_token.fbde5bb0.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/article_page.9d6ff566.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/article_page~publ_mref~publ_mrlookup~publ_relaystation.753fbfa9.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/author_page.80165f39.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/author_page~authors_search~journal_search~publ_mrauthorid~publications_search~series_search.4bbda0fb.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/author_page~authors_search~publ_mrauthorid~publications_search.657cc080.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/author_page~publ_mrauthorid.563ed369.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/authors_search.17a7207b.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/authors_search~journal_search~publications_search~series_search.94b7cbfd.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/chunk-c53721b2.bac0b93b.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/freetools.07d972ef.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/history.4a5a8896.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/history~issues_list~serial_profile.453ce5fc.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/institution_page.5fd149e5.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/issues_list.8fb09358.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/journal_card.32d1f20c.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/journal_graph.07394a22.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/journal_msntable.e39e1c55.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/journal_search.5ebdbed6.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/journal_serialvoliss.baaa5f79.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_mrauthorid.76c93b09.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_mref.7ad7e574.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_mrlookup.1b20d7df.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_publications.6c3b1fda.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_support.73ae6adf.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publ_termsofuse.e1247518.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/publications_search.192a975a.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/search_msc.bb752be2.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/serial_profile.ef531213.css" rel="prefetch"><link href="/mathscinet/fe/assets/css/series_search.a0c53a2d.css" rel="prefetch"><link href="/mathscinet/fe/assets/js/access_error.7abfdeae.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/api_token.a785c1bd.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/article_page.a127220e.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/article_page~author_page~publ_mrauthorid~publ_mref~publ_mrlookup~publ_publications~publ_relaystation~01e5d19b.d2b15d2c.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/article_page~publ_mref~publ_mrlookup~publ_relaystation.3a172a11.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/author_page.90ec2c38.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/author_page~authors_search~journal_search~publ_mrauthorid~publications_search~series_search.97ffbf41.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/author_page~authors_search~publ_mrauthorid~publications_search.bf78d237.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/author_page~publ_mrauthorid.d3d6f7f0.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/authors_search.c5239476.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/authors_search~journal_search~publications_search~series_search.94079ee0.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-2d0c22ce.394f9e62.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-2d0cbde8.350d3705.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-2d0d0652.7c9e2e36.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-2d21639b.d7591f3e.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-2d22269e.9e1a79a6.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/chunk-c53721b2.78a80901.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/freetools.4cd0e511.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/history.9eca5eff.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/history~issues_list~serial_profile.38de14c7.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/institution_page.b44c8f97.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/issues_list.81e428c3.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_card.730f7b40.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_graph.fceccfc2.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_msntable.e8ab319f.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_search.b509cd3e.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialauthors.b6fb4640.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialcitations.b048909a.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialdetails.b2e52069.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialgroupdetails.7117d944.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialmcq.046f852a.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialmsc.9520fde6.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialpublications.d1e0b322.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialvoliss.7c6b38b0.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/journal_serialvolisscard.5d924576.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/not_found.f476756c.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_about.e69a5852.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_helplibrarians.b0e72d4e.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_mrauthorid.65a4c8d3.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_mref.ac4b2b4a.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_mrlookup.1e97dcd4.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_publications.12742074.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_relaystation.f903913b.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_support.82b55aca.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publ_termsofuse.1ed4a798.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/publications_search.7c102300.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/search_msc.1f4b7458.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/serial_profile.b8a8ec67.js" rel="prefetch"><link href="/mathscinet/fe/assets/js/series_search.87968676.js" rel="prefetch"><link href="/mathscinet/fe/assets/css/app.fc9df543.css" rel="preload" as="style"><link href="/mathscinet/fe/assets/css/chunk-vendors.829ea595.css" rel="preload" as="style"><link href="/mathscinet/fe/assets/js/app.05926962.js" rel="preload" as="script"><link href="/mathscinet/fe/assets/js/chunk-vendors.c879b187.js" rel="preload" as="script"><link href="/mathscinet/fe/assets/css/chunk-vendors.829ea595.css" rel="stylesheet"><link href="/mathscinet/fe/assets/css/app.fc9df543.css" rel="stylesheet"></head><body><noscript><strong>We're sorry but frontend doesn't work properly without JavaScript enabled. Please enable it to continue.</strong></noscript><div id="app"></div><script src="/mathscinet/MathJax-2.7.3/MathJax.js?config=default"></script><script src="/mathscinet/fe/assets/js/chunk-vendors.c879b187.js"></script><script src="/mathscinet/fe/assets/js/app.05926962.js"></script></body></html>