00489naa#a2200193#i#4500001001500000005001700015011001400032100004100046101000800087102000700095200002000102210005800122215001000180608002700190675001600217700000600233700003000239856002600269EN\\bibl\7657920250417084942.4##a2221-3260##a20171025b2017####ek#y0engy0150####ca0#aRUS##aRU1#eJournal article1#aYaroslavlcYaroslavl State Technical Universityd2017##a8 с.##aJournal article2local##a. O 18zRUS#1g #1aSapirgElena Vladimirovna4#atheoreticaleconomy.ru