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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">vestifm</journal-id><journal-title-group><journal-title xml:lang="ru">Известия Национальной академии наук Беларуси. Серия физико-математических наук</journal-title><trans-title-group xml:lang="en"><trans-title>Proceedings of the National Academy of Sciences of Belarus. Physics and Mathematics Series</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1561-2430</issn><issn pub-type="epub">2524-2415</issn><publisher><publisher-name>The Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"</publisher-name></publisher></journal-meta><article-meta><article-id custom-type="elpub" pub-id-type="custom">vestifm-121</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>КРАТКИЕ СООБЩЕНИЯ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>BRIEF REPORTS</subject></subj-group></article-categories><title-group><article-title>НЕУЛУЧШАЕМОСТЬ ТЕОРЕМЫ ДИРИХЛЕ О	ПРИБЛИЖЕНИИ ДЕЙСТВИТЕЛЬНЫХ ЧИСЕЛ РАЦИОНАЛЬНЫМИ</article-title><trans-title-group xml:lang="en"><trans-title>ABOUT UNIMPROVABLE OF DIRICHLET’S THEOREM ON THE APPROXIMATION OF REAL NUMBERS BY RATIONAL</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>Гусакова</surname><given-names>А. Г.</given-names></name><name name-style="western" xml:lang="en"><surname>Gusakova</surname><given-names>A. G.</given-names></name></name-alternatives><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Белорусский государственный университет, Минск</institution></aff><aff xml:lang="en"><institution>Belarusian State University, MinskЛитература</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2014</year></pub-date><pub-date pub-type="epub"><day>19</day><month>05</month><year>2016</year></pub-date><volume>0</volume><issue>3</issue><fpage>118</fpage><lpage>121</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Гусакова А.Г., 2016</copyright-statement><copyright-year>2016</copyright-year><copyright-holder xml:lang="ru">Гусакова А.Г.</copyright-holder><copyright-holder xml:lang="en">Gusakova A.G.</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://vestifm.belnauka.by/jour/article/view/121">https://vestifm.belnauka.by/jour/article/view/121</self-uri><abstract><p>Белорусский государственный университет, Минск / Belarusian State University, MinskЛитератураПо теореме Дирихле при любых действительных x, Q ≥ 1 и c1 ≥ 1 найдутся целые p и q такие, что 1 ≤ q ≤ Q , для которых справедливо неравенство |x - p / q| &lt; c1 / qQ. В работе тремя различными методами показано, что для некоторых различных множеств действительных чисел с1 нельзя взять меньшим 1/(√5), π 2/12, 1 соответственно.</p></abstract><trans-abstract xml:lang="en"><p>It is proved that the Dirichlet’s theorem on the approximation of real numbers by rational can not be improved.</p></trans-abstract></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Dirichlet L. G. P. Verallgemeinerung eines Satzes aus der Lehre von den Kettenbruchen nebst einigen Anwendungen auf die Theorie der Zahlen. S.-B. Preus. Akad. Wiss., 1842. P. 93-95.</mixed-citation><mixed-citation xml:lang="en">Dirichlet L. G. P. Verallgemeinerung eines Satzes aus der Lehre von den Kettenbruchen nebst einigen Anwendungen auf die Theorie der Zahlen. S.-B. Preus. Akad. Wiss., 1842. P. 93-95.</mixed-citation></citation-alternatives></ref><ref id="cit2"><label>2</label><citation-alternatives><mixed-citation xml:lang="ru">Bernik V. I., Dodson M. M. Metric Diophantine approximation on manifolds. Cambridge Tracts in Mathematics, CUP, 1999. Vol. 137.</mixed-citation><mixed-citation xml:lang="en">Bernik V. I., Dodson M. M. Metric Diophantine approximation on manifolds. Cambridge Tracts in Mathematics, CUP, 1999. Vol. 137.</mixed-citation></citation-alternatives></ref><ref id="cit3"><label>3</label><citation-alternatives><mixed-citation xml:lang="ru">Schmidt W. M. Diophantine Approximation (Lecture Notes in Mathematics). Berlin, 1980.</mixed-citation><mixed-citation xml:lang="en">Schmidt W. M. Diophantine Approximation (Lecture Notes in Mathematics). Berlin, 1980.</mixed-citation></citation-alternatives></ref></ref-list><fn-group><fn fn-type="conflict"><p>The authors declare that there are no conflicts of interest present.</p></fn></fn-group></back></article>
