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  <front>
    <journal-meta>
      <journal-id journal-id-type="issn">2411-3336</journal-id>
      <journal-id journal-id-type="eissn">2541-9404</journal-id>
      <journal-title-group>
        <journal-title xml:lang="ru">Записки Горного института</journal-title>
        <journal-title xml:lang="en">Journal of Mining Institute</journal-title>
      </journal-title-group>
      <publisher>
        <publisher-name xml:lang="ru">Санкт-Петербургский горный университет императрицы Екатерины ΙΙ</publisher-name>
        <publisher-name xml:lang="en">Empress Catherine II Saint Petersburg Mining University</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id custom-type="pmi" pub-id-type="custom">pmi-13027</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13027</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Без раздела</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Without section</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">On the simplicity defect of a natural number</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>О дефекте простоты натурального числа</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Verzhbinskii</surname>
            <given-names>M. L.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Вержбинский</surname>
              <given-names>М. Л.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Verzhbinskii</surname>
              <given-names>M. L.</given-names>
            </name>
          </name-alternatives>
          <email>pmi@spmi.ru</email>
          <xref ref-type="aff" rid="aff1"/>
        </contrib>
        <aff-alternatives id="aff1">
          <aff>
            <institution xml:lang="ru"> (Россия)</institution>
          </aff>
          <aff>
            <institution xml:lang="en"> (Russia)</institution>
          </aff>
        </aff-alternatives>
      </contrib-group>
      <pub-date pub-type="epub" iso-8601-date="1958-03-07">
        <day>07</day>
        <month>03</month>
        <year>1958</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1958</year>
      </pub-date>
      <volume>36</volume>
      <issue>3</issue>
      <fpage>5</fpage>
      <lpage>12</lpage>
      <history>
        <date date-type="received" iso-8601-date="1957-09-13">
          <day>13</day>
          <month>09</month>
          <year>1957</year>
        </date>
        <date date-type="accepted" iso-8601-date="1957-11-18">
          <day>18</day>
          <month>11</month>
          <year>1957</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1958-03-07">
          <day>07</day>
          <month>03</month>
          <year>1958</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© M. L. Verzhbinskii</copyright-statement>
        <copyright-year>1958</copyright-year>
        <copyright-holder xml:lang="ru">М. Л. Вержбинский</copyright-holder>
        <copyright-holder xml:lang="en">M. L. Verzhbinskii</copyright-holder>
        <license xlink:href="http://creativecommons.org/licenses/by/4.0">
          <license-p>CC BY 4.0</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/13027">https://pmi.spmi.ru/pmi/article/view/13027</self-uri>
      <abstract xml:lang="ru">
        <p>В настоящей статье исследуются элементарные свойства введен­ной нами теоретико-числовой функции х (n). Функция х (n) (определенная ниже) связана с вариационной трак­товкой различных задач аддитивной теории чисел. С помощью х (n) строятся неравенства, которые выполняются для всего множества М целых рациональных положительных чисел, но переходят в равенства для некоторых подмножеств множества М. Так осуществляется экстре­мальная аттрибутация простых чисел, простых пар и т. п.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>In the present paper we study elementary properties of the number-theoretic function x (n) introduced by us.The function x (n) (defined below) is related to the variational treatment of various problems of additive number theory. With the help of x (n) we construct inequalities which are satisfied for the whole set M of rational positive integers, but turn into equalities for some subsets of the set M. Thus the extreme attribution of prime numbers, prime pairs, etc. is carried out.</p>
      </abstract>
    </article-meta>
  </front>
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      <ref id="ref1">
        <label>1</label>
        <mixed-citation xml:lang="ru">-</mixed-citation>
        <mixed-citation xml:lang="en">-</mixed-citation>
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