00449naa#a2200181#i#450# EN\\bibl\74863 20241212010751.4 2413-046X 20190225b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 331.54 / 337.3 RUS Semenova Lyudmila Valer'evna qje.su