00464naa#a2200193#i#450# EN\\bibl\74856 20241125221811.1 2413-046X 20190225b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 631.1 (71) RUS Grigor'eva E. E. Shul'ga P. S. qje.su