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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-13046</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/13046</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">Nikolai N. Polyakov (1898-1957)</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Николай Николаевич Поляков (1898-1957)</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name name-style="eastern">
            <surname>Gorodetskii</surname>
            <given-names>P. I.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Городецкий</surname>
              <given-names>П. И.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Gorodetskii</surname>
              <given-names>P. I.</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="1958-04-26">
        <day>26</day>
        <month>04</month>
        <year>1958</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1958</year>
      </pub-date>
      <volume>36</volume>
      <issue>1</issue>
      <fpage>3</fpage>
      <lpage>6</lpage>
      <history>
        <date date-type="received" iso-8601-date="1957-07-06">
          <day>06</day>
          <month>07</month>
          <year>1957</year>
        </date>
        <date date-type="accepted" iso-8601-date="1957-09-19">
          <day>19</day>
          <month>09</month>
          <year>1957</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1958-04-26">
          <day>26</day>
          <month>04</month>
          <year>1958</year>
        </date>
      </history>
      <permissions>
        <copyright-statement>© P. I. Gorodetskii</copyright-statement>
        <copyright-year>1958</copyright-year>
        <copyright-holder xml:lang="ru">П. И. Городецкий</copyright-holder>
        <copyright-holder xml:lang="en">P. I. Gorodetskii</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/13046">https://pmi.spmi.ru/pmi/article/view/13046</self-uri>
      <abstract xml:lang="ru">
        <p>В 1957 году Институт потерял выдающегося преподавателя и науч­ного работника, крупного специалиста по разработке рудных месторож­дений, доцента, кандидата технических наук Николая Николаевича Полякова.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>In 1957, the Institute lost an outstanding teacher and researcher, a major specialist in the development of ore deposits, associate professor, candidate of technical sciences Nikolai N. Polyakov.</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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