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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="en"><front><journal-meta><journal-id journal-id-type="publisher-id">najo</journal-id><journal-title-group><journal-title xml:lang="en">Nanosystems: Physics, Chemistry, Mathematics</journal-title><trans-title-group xml:lang="ru"><trans-title>Наносистемы: физика, химия, математика</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2220-8054</issn><issn pub-type="epub">2305-7971</issn><publisher><publisher-name>Университет ИТМО</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.17586/2220-8054-2021-12-4-418-424</article-id><article-id custom-type="elpub" pub-id-type="custom">najo-456</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="en"><subject>MATHEMATICS</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>МАТЕМАТИКА</subject></subj-group></article-categories><title-group><article-title>Analog of the Darboux problem for a loaded integro-differential equation involving the Caputo fractional derivative</article-title><trans-title-group xml:lang="ru"><trans-title>Аналог задачи Дарбу для нагруженного интегро-дифференциального уравнения с дробной производной Капуто</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>Baltaeva</surname><given-names>U.</given-names></name><name name-style="western" xml:lang="en"><surname>Baltaeva</surname><given-names>U.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Markaz-1, 220900, Khiva;</p><p>Kh.Alimdjan str. 14, 220100, Urgench.</p></bio><bio xml:lang="en"><p>Markaz-1, 220900, Khiva;</p><p>Kh.Alimdjan str. 14, 220100, Urgench.</p></bio><email xlink:type="simple">umida_baltayeva@mail.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>Alikulov</surname><given-names>Y.</given-names></name><name name-style="western" xml:lang="en"><surname>Alikulov</surname><given-names>Y.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Amir Temur str. 108, 100200 Tashkent.</p></bio><bio xml:lang="en"><p>Amir Temur str. 108, 100200 Tashkent.</p></bio><email xlink:type="simple">yolqin-aliqulov@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Baltaeva</surname><given-names>I. I.</given-names></name><name name-style="western" xml:lang="en"><surname>Baltaeva</surname><given-names>I. I.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Kh.Alimdjan str. 14, 220100, Urgench.</p></bio><bio xml:lang="en"><p>Kh.Alimdjan str. 14, 220100, Urgench.</p></bio><email xlink:type="simple">iroda-b@mail.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ashirova</surname><given-names>A.</given-names></name><name name-style="western" xml:lang="en"><surname>Ashirova</surname><given-names>A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Al Khorezmi str. 110, 220100 Urgench.</p></bio><bio xml:lang="en"><p>Al Khorezmi str. 110, 220100 Urgench.</p></bio><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Khorezm Mamun Academy; Urgench State University</institution></aff><aff xml:lang="en"><institution>Khorezm Mamun Academy; Urgench State University</institution></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Tashkent University of Information Technologies named after Muhammad Al-Khwarizmi</institution></aff><aff xml:lang="en"><institution>Tashkent University of Information Technologies named after Muhammad Al-Khwarizmi</institution></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Urgench State University</institution></aff><aff xml:lang="en"><institution>Urgench State University</institution></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>Urganch branch of Tashkent University of Information Technology named after Muhammad al-Khwarizmi</institution></aff><aff xml:lang="en"><institution>Urganch branch of Tashkent University of Information Technology named after Muhammad al-Khwarizmi</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2021</year></pub-date><pub-date pub-type="epub"><day>04</day><month>08</month><year>2025</year></pub-date><volume>12</volume><issue>4</issue><fpage>418</fpage><lpage>424</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Baltaeva U., Alikulov Y., Baltaeva I.I., Ashirova A., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Baltaeva U., Alikulov Y., Baltaeva I.I., Ashirova A.</copyright-holder><copyright-holder xml:lang="en">Baltaeva U., Alikulov Y., Baltaeva I.I., Ashirova A.</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://nanojournal.ifmo.ru/jour/article/view/456">https://nanojournal.ifmo.ru/jour/article/view/456</self-uri><abstract><p>In this paper, we prove the unique solvability of an analogue problem Darboux for a loaded integro-differential equation with Caputo operator by method of integral equations. The problem is equivalently reduced to a system of integral equations, which is unconditionally and uniquely solvable.</p></abstract><trans-abstract xml:lang="ru"><p>В данной работе методом интегральных уравнений доказана однозначная разрешимость аналога задачи Дарбу для нагруженного интегро-дифференциального уравнения с оператором Капуто. Задача равносильно сводится к системе интегральных уравнений, безусловно и однозначно разрешимой.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>интегро-дифференциальные уравнения</kwd><kwd>дробная производная Капуто</kwd><kwd>нагруженное уравнение</kwd><kwd>нелокальная задача</kwd><kwd>функция Бесселя</kwd></kwd-group><kwd-group xml:lang="en"><kwd>integro-differential equations</kwd><kwd>Caputo fractional derivative</kwd><kwd>loaded equation</kwd><kwd>nonlocal problem</kwd><kwd>Bessel function</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">Nakhushev A.M. Equations of mathematical biology. Vishaya shkola, Moscow, 1995, 301 p.</mixed-citation><mixed-citation xml:lang="en">Nakhushev A.M. Equations of mathematical biology. 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