00465naa#a2200181#i#450# EN\\bibl\74780 20241219212912.4 2413-046X 20190125b2019####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2019 0 с. Journal article local Vagapova El'vina Hamitovna Yudicheva Aleksandra Vasil'evna e-integral.ru