00457naa#a2200181#i#450# EN\\bibl\74870 20241127102644.3 2413-046X 20190225b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 338.3+339.54.012.435 RUS Voytenko Bogdan Andreevich ecience.ru