00588naa#a2200217#i#450# EN\\bibl\74909 20241125050216.1 2413-046X 20190325b2019####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 332.35:143 ENG Shapovalov Dmitriy Anatol'evich Doncov Aleksandr Vladimirovich Savinova Svetlana Viktorovna Gamzatova Mar'yam Muhtarovna qje.su