00450naa#a2200181#i#450# EN\\bibl\74624 20250519141952.1 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 qje.su