00506naa#a2200193#i#450# EN\\bibl\74654 20250105021257.7 2413-046X 20180825b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 334.723+331.103.5 ENG Matveeva Alla Ivanovna Sarapul'ceva Anastasiya Vyacheslavovna ecience.ru