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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">matatecs</journal-id><journal-title-group><journal-title xml:lang="ru">Математика и теоретические компьютерные науки</journal-title><trans-title-group xml:lang="en"><trans-title>Mathematics and Theoretical Computer Science</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2949-3919</issn><publisher><publisher-name>Казанский (Приволжский) федеральный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/2949-3919.2024.2.107-121</article-id><article-id custom-type="elpub" pub-id-type="custom">matatecs-47</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>СТАТЬИ</subject></subj-group></article-categories><title-group><article-title>Начально-краевая задача для одного псевдогиперболического уравнения с ненулевыми граничными условиями</article-title><trans-title-group xml:lang="en"><trans-title>An initial-boundary value problem for a pseudohyperbolic equation with nonzero boundary conditions</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Шеметова</surname><given-names>В. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Shemetova</surname><given-names>V. V.</given-names></name></name-alternatives><bio xml:lang="ru"><sec><title>Валентина Владимировна Шеметова </title><p>ул. Пирогова, д. 1, г. Новосибирск, 630090</p></sec></bio><bio xml:lang="en"><sec><title>Valentina Vladimirovna Shemetova</title><p>str., Novosibirsk 630090, Russia</p></sec></bio><email xlink:type="simple">valentina501@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Новосибирский государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Novosibirsk State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>28</day><month>07</month><year>2024</year></pub-date><volume>2</volume><issue>2</issue><fpage>107</fpage><lpage>121</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Шеметова В.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Шеметова В.В.</copyright-holder><copyright-holder xml:lang="en">Shemetova V.V.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://matatecs.elpub.ru/jour/article/view/47">https://matatecs.elpub.ru/jour/article/view/47</self-uri><abstract><p>Рассматривается смешанная краевая задача в четверти плоскости для одного псевдогиперболического уравнения. Указываются условия на граничные условия, при которых смешанная задача однозначно разрешима в соболевских пространствах с экспоненциальным весом.</p></abstract><trans-abstract xml:lang="en"><p>An initial-boundary value problem in a quarter-plane for one pseudohyperbolic equation is considered. We establish conditions for boundary functions ender which the initial-boundary value problem is uniquely solvable in Sobolev spaces with an exponential weight.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>псевдогиперболическое уравнение</kwd><kwd>условие Лопатинского</kwd><kwd>пространство Соболева</kwd></kwd-group><kwd-group xml:lang="en"><kwd>pseudohyperbolic equation</kwd><kwd>Lopatinskii condition</kwd><kwd>Sobolev space</kwd></kwd-group><funding-group><funding-statement xml:lang="en">The research is supported by the Russian Science Foundation (grant no.24-21-00370), https://rscf.ru/project/24-21-00370.</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">В.З. Власов, Тонкостенные упругие стержни, Стройиздат, Москва–Ленинград, 1940.</mixed-citation><mixed-citation xml:lang="en">V.Z. 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