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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">ikbgu</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Кабардино-Балкарского государственного университета</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the Kabardino-Balkarian State University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2221-7789</issn><publisher><publisher-name>Kabardino-Balkarian State University named after Kh. M. Berbekov</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31143/2221-7789-2023-1-10-15</article-id><article-id custom-type="edn" pub-id-type="custom">HWCXZY</article-id><article-id custom-type="elpub" pub-id-type="custom">ikbgu-216</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>Физика</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Physics</subject></subj-group></article-categories><title-group><article-title>МОДИФИЦИРОВАННАЯ ТЕОРИЯ НЕОДНОРОДНОГО ЭЛЕКТРОННОГО ГАЗА</article-title><trans-title-group xml:lang="en"><trans-title>MODIFIED THEORY OF INHOMOGENEOUS ELECTRON GAS</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>Озрокова</surname><given-names>Е. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ozrokova</surname><given-names>E. M.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@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>Бицуев</surname><given-names>А. Б.</given-names></name><name name-style="western" xml:lang="en"><surname>Bitsuev</surname><given-names>A. B.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@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>Дышеков</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Dyshekov</surname><given-names>A. A.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@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>Кяров</surname><given-names>А. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Kyarov</surname><given-names>A. Kh.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@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>Савинцев</surname><given-names>А. П.</given-names></name><name name-style="western" xml:lang="en"><surname>Savintsev</surname><given-names>A. P.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@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>Унежева</surname><given-names>Ф. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Unezheva</surname><given-names>F. Kh.</given-names></name></name-alternatives><email xlink:type="simple">funiezhieva@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Кабардино-Балкарский государственный университет им. Х.М. Бербекова</institution></aff><aff xml:lang="en"><institution>Kabardino-Balkarian State University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>31</day><month>03</month><year>2023</year></pub-date><volume>13</volume><issue>1</issue><fpage>10</fpage><lpage>15</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Озрокова Е.М., Бицуев А.Б., Дышеков А.А., Кяров А.Х., Савинцев А.П., Унежева Ф.Х., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Озрокова Е.М., Бицуев А.Б., Дышеков А.А., Кяров А.Х., Савинцев А.П., Унежева Ф.Х.</copyright-holder><copyright-holder xml:lang="en">Ozrokova E.M., Bitsuev A.B., Dyshekov A.A., Kyarov A.K., Savintsev A.P., Unezheva F.K.</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.izvestiakbsu.ru/jour/article/view/216">https://www.izvestiakbsu.ru/jour/article/view/216</self-uri><abstract><p>В работе представлен модифицированный метод функционала плотности, использующий многопараметрический вариационный принцип для изучения возможности применения и точности данного подхода при расчете атомных характеристик.</p></abstract><trans-abstract xml:lang="en"><p>The paper presents a modified density functional method using a multiparametric variational principle.</p><p>To study the possibility of applying the accuracy of this approach in the calculation of atomic characteristics.</p></trans-abstract><kwd-group xml:lang="en"><kwd>inhomogeneous electron gas</kwd><kwd>multiparametric functional</kwd><kwd>electron density</kwd><kwd>energy of atoms in the ground state</kwd><kwd>exchange energy.</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">Гомбаш П. 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