00509naa#a2200193#i#450# EN\\bibl\74860 20241122191503.5 2413-046X 20190225b2019####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 332.334.4:631.1(571.53) RUS Chernigova Dina Rashitovna Tulunova Evgeniya Stepanovna e-integral.ru