00454naa#a2200181#i#450# EN\\bibl\74624 20250406120900.7 2413-046X 20180825b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 332.334(470.32) ENG Buhtoyarov Nikolay Ivanovich ecience.ru