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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">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2025-26-1-88-98</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-1935</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><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>Оценки тригонометрических сумм по решениям квадратичных сравнений</article-title><trans-title-group xml:lang="en"><trans-title>Estimates of trigonometric sums from solutions of quadratic congruences</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>Реброва</surname><given-names>Ирина Юрьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Rebrova</surname><given-names>Irina Yurevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences</p></bio><email xlink:type="simple">rebrova@tolstovsky.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Тульский государственный педагогический университет им. Л. Н. Толстого</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Tula State Lev Tolstoy Pedagogical University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>06</month><year>2025</year></pub-date><volume>26</volume><issue>1</issue><fpage>88</fpage><lpage>98</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Реброва И.Ю., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Реброва И.Ю.</copyright-holder><copyright-holder xml:lang="en">Rebrova I.Y.</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://www.chebsbornik.ru/jour/article/view/1935">https://www.chebsbornik.ru/jour/article/view/1935</self-uri><abstract><p>В 1963 году, опираясь на оценки специальных тригонометрических сумм, Хули впервые доказал асимптотическую формулу для среднего числа делителей квадратичного полинома со степенным понижением в остаточном члене по сравнению с главным. Позднее эти оценки были улучшены. В работе доказываются новые, более сильные результаты в этом направлении исследований аналитической теории чисел.</p></abstract><trans-abstract xml:lang="en"><p>In 1963, relying on estimates of special trigonometric sums, Hawley first proved an asymptotic formula for the average number of divisors of a quadratic polynomial with a powerlaw reduction in the remainder term compared to the principal term. Later, these estimates were improved.The paper proves new stronger results in this area of research in analytical number theory.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>тригонометрические суммы</kwd><kwd>квадратичные сравнения.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>trigonometric sums</kwd><kwd>quadratic congruences.</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">Hooley C. 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