Kovalenko, Igor' Nikolaevič. | Vvedenie v teoriju massovogo obsluživanija | German 1971
VIAF ID: 311867473 ( Expression )
Permalink: http://viaf.org/viaf/311867473
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Kovalenko, Igor' Nikolaevič.
Title | Sources |
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Vvedenie v teoriju massovogo obsluživanija |