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  <contributors>
    <authors>
      <author>Dahmen, Wolfgang</author>
      <author>Görlich, Ernst</author>
    </authors>
    <subsidiary-authors>
      <author>114110</author>
      <author>111410</author>
      <author>110000</author>
    </subsidiary-authors>
  </contributors>
  <titles>
    <title>The characterization problem for best approximation with exponential error orders and evaluation of entropy</title>
    <secondary-title>Mathematische Nachrichten</secondary-title>
  </titles>
  <periodical>
    <full-title>Mathematische Nachrichten</full-title>
  </periodical>
  <publisher>Wiley-VCH</publisher>
  <pub-location>Weinheim</pub-location>
  <isbn>0025-584x</isbn>
  <electronic-resource-num>10.1002/mana.19770760112</electronic-resource-num>
  <language>English</language>
  <pages>163-179</pages>
  <number/>
  <volume>76</volume>
  <abstract/>
  <notes/>
  <label>PUB:(DE-HGF)16, ; 0, ; </label>
  <keywords/>
  <accession-num>WOS:A1977DP37400011</accession-num>
  <work-type>Journal Article</work-type>
  <dates>
    <pub-dates>
      <year>1977</year>
    </pub-dates>
  </dates>
  <accession-num>RWTH-CONV-062019</accession-num>
  <year>1977</year>
  <urls>
    <related-urls>
      <url>https://publications.rwth-aachen.de/record/185554</url>
      <url>https://doi.org/10.1002/mana.19770760112</url>
      <url>&lt;Go to ISI&gt;://WOS:A1977DP37400011</url>
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