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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-15470</article-id>
      <article-id pub-id-type="uri">https://pmi.spmi.ru/pmi/article/view/15470</article-id>
      <article-categories>
        <subj-group subj-group-type="section-heading" xml:lang="ru">
          <subject>Статьи</subject>
        </subj-group>
        <subj-group subj-group-type="section-heading" xml:lang="en">
          <subject>Articles</subject>
        </subj-group>
      </article-categories>
      <title-group>
        <article-title xml:lang="en">Calculation of the numbers of the symbol of a complex</article-title>
        <trans-title-group xml:lang="ru">
          <trans-title>Вычисление чисел символа комплекса</trans-title>
        </trans-title-group>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author">
          <name name-style="eastern">
            <surname>Fedorov</surname>
            <given-names>E. S.</given-names>
          </name>
          <name-alternatives>
            <name name-style="eastern" xml:lang="ru">
              <surname>Федоров</surname>
              <given-names>Е. С.</given-names>
            </name>
            <name name-style="western" xml:lang="en">
              <surname>Fedorov</surname>
              <given-names>E. S.</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="1913-12-01">
        <day>01</day>
        <month>12</month>
        <year>1913</year>
      </pub-date>
      <pub-date date-type="collection">
        <year>1913</year>
      </pub-date>
      <volume>4</volume>
      <issue>5</issue>
      <fpage>391</fpage>
      <lpage>396</lpage>
      <history>
        <date date-type="received" iso-8601-date="1913-06-16">
          <day>16</day>
          <month>06</month>
          <year>1913</year>
        </date>
        <date date-type="accepted" iso-8601-date="1913-08-08">
          <day>08</day>
          <month>08</month>
          <year>1913</year>
        </date>
        <date date-type="rev-recd" iso-8601-date="1913-12-01">
          <day>01</day>
          <month>12</month>
          <year>1913</year>
        </date>
      </history>
      <permissions>
        <copyright-statement xml:lang="ru">© 1913 Е. С. Федоров</copyright-statement>
        <copyright-statement xml:lang="en">© 1913 E. S. Fedorov</copyright-statement>
        <copyright-year>1913</copyright-year>
        <copyright-holder xml:lang="ru">Е. С. Федоров</copyright-holder>
        <copyright-holder xml:lang="en">E. S. Fedorov</copyright-holder>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="ru">
          <license-p>Эта статья доступна по лицензии Creative Commons Attribution 4.0 International (CC BY 4.0)</license-p>
        </license>
        <license license-type="open-access" xlink:href="http://creativecommons.org/licenses/by/4.0" xml:lang="en">
          <license-p>This article is licensed under a Creative Commons Attribution 4.0 International License (CC BY 4.0)</license-p>
        </license>
      </permissions>
      <self-uri xlink:type="simple" xlink:href="https://pmi.spmi.ru/pmi/article/view/15470">https://pmi.spmi.ru/pmi/article/view/15470</self-uri>
      <abstract xml:lang="ru">
        <p>Опыт показал, что в настоящее время тех приближенных чисел, которые получаются сравнительно грубыми графическими приемами, вполне достаточно для индивидуальной характеристики каждого вещества, то есть для кристаллохимического анализа. Но по мере накопления описанных кристаллографически новых веществ, а такое накопление идет ускоренным ходом, должно когда-нибудь наступить время, что потребуется большая точность в выражении результатов измерения.</p>
      </abstract>
      <abstract xml:lang="en">
        <p>Experience has shown that, at present, the approximate numbers that are obtained using relatively crude graphical techniques are quite sufficient for the individual characterisation of each substance, that is, for crystal-chemical analysis. But as the number of crystallographically described new substances accumulates, and such accumulation is proceeding at an accelerating pace a time must eventually come when greater precision will be required in expressing the results of measurements.</p>
      </abstract>
    </article-meta>
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