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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Contemporary Mathematics. Fundamental Directions</journal-id><journal-title-group><journal-title xml:lang="en">Contemporary Mathematics. Fundamental Directions</journal-title><trans-title-group xml:lang="ru"><trans-title>Современная математика. Фундаментальные направления</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2413-3639</issn><issn publication-format="electronic">2949-0618</issn><publisher><publisher-name xml:lang="en">Peoples’ Friendship University of Russia named after Patrice Lumumba (RUDN University)</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">39911</article-id><article-id pub-id-type="doi">10.22363/2413-3639-2024-70-2-278-299</article-id><article-id pub-id-type="edn">YKDZHU</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Articles</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Existence of a renormalized solution to a nonlinear elliptic equation with L1-data in the space Rn</article-title><trans-title-group xml:lang="ru"><trans-title>Существование ренормализованного решения нелинейного эллиптического уравнения с L1-данными в пространстве Rn</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kozhevnikova</surname><given-names>L. M.</given-names></name><name xml:lang="ru"><surname>Кожевникова</surname><given-names>Л. М.</given-names></name></name-alternatives><email>kosul@mail.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Ufa University of Science and Technology</institution></aff><aff><institution xml:lang="ru">Уфимский университет науки и технологий</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Elabuga Institute of Kazan Federal University</institution></aff><aff><institution xml:lang="ru">Елабужский Институт Казанского Федерального университета</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2024-06-30" publication-format="electronic"><day>30</day><month>06</month><year>2024</year></pub-date><volume>70</volume><issue>2</issue><issue-title xml:lang="en">Functional spaces. Differential operators. Problems of mathematics education</issue-title><issue-title xml:lang="ru">Функциональные пространства. Дифференциальные операторы. Проблемы математического образования</issue-title><fpage>278</fpage><lpage>299</lpage><history><date date-type="received" iso-8601-date="2024-07-08"><day>08</day><month>07</month><year>2024</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2024, Kozhevnikova L.M.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2024, Кожевникова Л.М.</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="en">Kozhevnikova L.M.</copyright-holder><copyright-holder xml:lang="ru">Кожевникова Л.М.</copyright-holder><ali:free_to_read xmlns:ali="http://www.niso.org/schemas/ali/1.0/"/><license><ali:license_ref xmlns:ali="http://www.niso.org/schemas/ali/1.0/">https://creativecommons.org/licenses/by-nc/4.0</ali:license_ref></license></permissions><self-uri xlink:href="https://journals.rudn.ru/CMFD/article/view/39911">https://journals.rudn.ru/CMFD/article/view/39911</self-uri><abstract xml:lang="en"><p>We consider a second-order quasilinear elliptic equation with an integrable right-hand side in the space  R<sup>n</sup>. Restrictions on the structure of the equation are formulated in terms of a generalized N -function. In the nonreflexive Muzilak-Orlicz-Sobolev spaces, the existence of a renormalized solution in the space  R<sup>n</sup> is proved.</p></abstract><trans-abstract xml:lang="ru"><p>Рассматривается квазилинейное эллиптическое уравнение второго порядка с суммируемой правой частью в пространстве R<sup>n</sup>. Ограничения на структуру уравнения формулируются в терминах обобщенной N -функции. В нерефлексивных пространствах Музилака-Орлича- Соболева доказано существование ренормализованного решения в пространстве R<sup>n</sup>.</p></trans-abstract><kwd-group xml:lang="en"><kwd>quasilinear equation</kwd><kwd>elliptic equation</kwd><kwd>generalized N-function</kwd><kwd>Muzilak-Orlicz-Sobolev space</kwd><kwd>renormalized solution</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>квазилинейное уравнение</kwd><kwd>эллиптическое уравнение</kwd><kwd>обобщенная N-функция</kwd><kwd>пространство Музилака-Орлича-Соболева</kwd><kwd>ренормализованное решение</kwd></kwd-group><funding-group/></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Вильданова В.Ф., Мукминов Ф.Х. Энтропийное решение для уравнения с мерозначным потенциалом в гиперболическом пространстве// Мат. сб.-2023.- 214, № 11.-С. 37-62.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>Данфорд Н., Шварц Дж.Т. Линейные операторы. 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