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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">matmess</journal-id><journal-title-group><journal-title xml:lang="ru">Математические заметки СВФУ</journal-title><trans-title-group xml:lang="en"><trans-title>Mathematical notes of NEFU</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2411-9326</issn><issn pub-type="epub">2587-876X</issn><publisher><publisher-name>Северо-Восточный федеральный университет имени М.К. Аммосова</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.25587/2411-9326-2024-4-35-48</article-id><article-id custom-type="elpub" pub-id-type="custom">matmess-136</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>МАТЕМАТИКА</subject></subj-group></article-categories><title-group><article-title>Обобщенная задача Самарского — Ионкина для дифференциальных уравнений составного типа с вырождающимся оператором теплопроводности в старшей части</article-title><trans-title-group xml:lang="en"><trans-title>Generalized Samarskii–Ionkin’s problem for the composite type differential equation with degenerating operator in higher part</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>Кожанов</surname><given-names>А. И.</given-names></name><name name-style="western" xml:lang="en"><surname>Kozhanov</surname><given-names>A. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Кожанов Александр Иванович </p><p>пр. Академика Коптюга, 4, Новосибирск 630090 </p></bio><bio xml:lang="en"><p>Aleksandr I. Kozhanov </p><p>4 Koptyug Avenue, 630090 Novosibirsk </p></bio><email xlink:type="simple">kozhanov@math.nsc.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Хромченко</surname><given-names>Д. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Khromchenko</surname><given-names>D. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Хромченко Дмитрий Сергеевич </p><p>ул. Пирогова, 1, Новосибирск 630090 </p></bio><bio xml:lang="en"><p>Dmitrii S. Khromchenko </p><p>1 Pirogov Street, 630090 Novosibirsk </p></bio><email xlink:type="simple">dmtrkh12144@vk.com</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт математики им. С. Л. Соболева СО РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Sobolev Institute of Mathematics</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><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>30</day><month>12</month><year>2024</year></pub-date><volume>31</volume><issue>4</issue><fpage>35</fpage><lpage>48</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Кожанов А.И., Хромченко Д.С., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Кожанов А.И., Хромченко Д.С.</copyright-holder><copyright-holder xml:lang="en">Kozhanov A.I., Khromchenko D.S.</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://matmess.elpub.ru/jour/article/view/136">https://matmess.elpub.ru/jour/article/view/136</self-uri><abstract><p>Для дифференциальных уравнений составного типа с вырождающимся оператором теплопроводности в старшей части изучаются задачи, близкие по постановке к известной задаче Самарского — Ионкина. Целью работы является доказательство существования и единственности регулярных решений этих задач.</p></abstract><trans-abstract xml:lang="en"><p>We study the problems similar to the known Samarskii–Ionkin’s problem for the composite type differential equation with degenerating operator of heat conduction in higher part. In this work we prove existence and uniqueness of regular solutions for such problems.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>дифференциальные уравнения составного типа</kwd><kwd>нелокальные задачи</kwd><kwd>обобщенное условие Самарского — Ионкина</kwd><kwd>регулярные решения</kwd><kwd>существование</kwd><kwd>единственность</kwd></kwd-group><kwd-group xml:lang="en"><kwd>composite type differential equation</kwd><kwd>nonlocal problem</kwd><kwd>generalized Samarskii–Ionkin condition</kwd><kwd>regular solution</kwd><kwd>existence</kwd><kwd>uniqueness</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Ионкин Н. И. Решение одной краевой задачи теории теплопроводности с неклассическим краевым условием // Дифференц. уравнения. 1977. Т. 13, № 2. С. 294–304.</mixed-citation><mixed-citation xml:lang="en">Ionkin N. 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