00468naa#a2200181#i#450# EN\\bibl\74588 20250511001437.7 2413-046X 20180625b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local Salahutdinova Aygul' Fanil'evna Vishnevskaya Nina Gennad'evna e-integral.ru