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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">Discrete and Continuous Models and Applied Computational Science</journal-id><journal-title-group><journal-title xml:lang="en">Discrete and Continuous Models and Applied Computational Science</journal-title><trans-title-group xml:lang="ru"><trans-title>Discrete and Continuous Models and Applied Computational Science</trans-title></trans-title-group></journal-title-group><issn publication-format="print">2658-4670</issn><issn publication-format="electronic">2658-7149</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">52912</article-id><article-id pub-id-type="doi">10.22363/2658-4670-2026-34-3-283-287</article-id><article-id pub-id-type="edn">RYSWTL</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Editorial</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>От редакции</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">ISO rules for typesetting mathematics: mismath package</article-title><trans-title-group xml:lang="ru"><trans-title>Правила ISO для набора математики. Пакет mismath</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-0877-7063</contrib-id><contrib-id contrib-id-type="scopus">35194130800</contrib-id><contrib-id contrib-id-type="researcherid">I-3183-2013</contrib-id><name-alternatives><name xml:lang="en"><surname>Kulyabov</surname><given-names>Dmitry S.</given-names></name><name xml:lang="ru"><surname>Кулябов</surname><given-names>Д. С.</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Sciences in Physics and Mathematics, Professor of Department of Probability Theory and Cyber Security of RUDN University; Senior Researcher of Laboratory of Information Technologies, Joint Institute for Nuclear Research</p></bio><email>kulyabov-ds@rudn.ru</email><xref ref-type="aff" rid="aff1"/><xref ref-type="aff" rid="aff2"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-7141-7610</contrib-id><contrib-id contrib-id-type="scopus">36968057600</contrib-id><contrib-id contrib-id-type="researcherid">I-3191-2013</contrib-id><name-alternatives><name xml:lang="en"><surname>Korolkova</surname><given-names>Anna V.</given-names></name><name xml:lang="ru"><surname>Королькова</surname><given-names>А. В.</given-names></name></name-alternatives><bio xml:lang="en"><p>Candidate of Sciences in Physics and Mathematics, Associate Professor of Department of Probability Theory and Cyber Security of RUDN University</p></bio><email>korolkova-av@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-1856-4643</contrib-id><contrib-id contrib-id-type="scopus">8783969400</contrib-id><contrib-id contrib-id-type="researcherid">B-8497-2016</contrib-id><name-alternatives><name xml:lang="en"><surname>Sevastianov</surname><given-names>Leonid A.</given-names></name><name xml:lang="ru"><surname>Севастьянов</surname><given-names>Л. А.</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Sciences in Physics and Mathematics, Professor of Department of Computational Mathematics and Artificial Intelligence of RUDN University</p></bio><email>sevastianov-la@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-7744-9725</contrib-id><contrib-id contrib-id-type="scopus">16454766600</contrib-id><contrib-id contrib-id-type="researcherid">S-4813-2018</contrib-id><name-alternatives><name xml:lang="en"><surname>Rybakov</surname><given-names>Yuri P.</given-names></name><name xml:lang="ru"><surname>Рыбаков</surname><given-names>Ю. П.</given-names></name></name-alternatives><bio xml:lang="en"><p>Doctor of Sciences in Physics and Mathematics, Professor of the Institute of Physical Research and Technologies of RUDN University</p></bio><email>rybakov-yup@rudn.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">RUDN University</institution></aff><aff><institution xml:lang="ru">Российский университет дружбы народов</institution></aff></aff-alternatives><aff-alternatives id="aff2"><aff><institution xml:lang="en">Joint Institute for Nuclear Research</institution></aff><aff><institution xml:lang="ru">Объединённый институт ядерных исследований</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-10-15" publication-format="electronic"><day>15</day><month>10</month><year>2026</year></pub-date><volume>34</volume><issue>3</issue><issue-title xml:lang="en">VOL 34, NO3 (2026)</issue-title><issue-title xml:lang="ru">ТОМ 34, №3 (2026)</issue-title><fpage>283</fpage><lpage>287</lpage><history><date date-type="received" iso-8601-date="2026-10-19"><day>19</day><month>10</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Kulyabov D.S., Korolkova A.V., Sevastianov L.A., Rybakov Y.P.</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Кулябов Д.С., Королькова А.В., Севастьянов Л.А., Рыбаков Ю.П.</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Kulyabov D.S., Korolkova A.V., Sevastianov L.A., Rybakov Y.P.</copyright-holder><copyright-holder xml:lang="ru">Кулябов Д.С., Королькова А.В., Севастьянов Л.А., Рыбаков Ю.П.</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/miph/article/view/52912">https://journals.rudn.ru/miph/article/view/52912</self-uri><abstract xml:lang="en"><p>We continue to describe tools for simplifying the typesetting of mathematics in accordance with ISO standards. In this article, we briefly describe the mismath package for the LaTeX system.</p></abstract><trans-abstract xml:lang="ru"><p>Мы продолжаем описывать средства для упрощения набора математики, соответствующей правилам ISO. В данной статье мы кратко описываем пакет для системы LaTeX mismath.</p></trans-abstract><kwd-group xml:lang="en"><kwd>typesetting mathematics standards</kwd><kwd>ISO</kwd><kwd>LaTeX</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>стандарты набора математики</kwd><kwd>ISO</kwd><kwd>LaTeX</kwd></kwd-group><funding-group/></article-meta><fn-group/></front><body></body><back><ref-list><ref id="B1"><label>1.</label><mixed-citation>Quantities and units - Part 2: Mathematics, 2nd ed., ISO 80000-2:2019, Geneva, Switzerland: ISO, 2019.</mixed-citation></ref><ref id="B2"><label>2.</label><mixed-citation>D. S. Kulyabov, A. V. Korolkova, L. A. Sevastianov, and Y. P. 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