Showing 1 - 2 results of 2 for search 'Čupachin, Ivan Jakovlevič'
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  1. 1
    Voprosy teorii poňatija.
    by Čupachin, Ivan Jakovlevič
    Published 1961
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  2. 2
    Problemy zakonov nauki i logiki naučnogo poznanija : mežvuzovskij sbornik /
    Published 1980
    Other Authors: “...Čupachin, Ivan Jakovlevič...”
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