by Balyakin, Artem A, Malyshev, Andrey S, Ivanov, Kirill V
Published in St. Petersburg State Polytechnical University Journal. Economics (01.01.2020)

by IVANOV KIRILL V,SU, SOKOLOV NIKOLAJ A,SU, TISHCHENKO IGOR I,SU, YAKOVLEV SERGEJ D,SU
Year of Publication 15.10.1986

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