00502naa#a2200193#i#450# EN\\bibl\74776 20241228061911.6 2413-046X 20181225b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 004.031.42+331.5 ENG Lebedeva Tat'yana Evgen'evna Egorov Evgeniy Evgen'evich e-integral.ru