00461naa#a2200181#i#450# EN\\bibl\74697 20241011132128.5 2413-046X 20181125b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 338.436.33:332.1 ENG Eredzhepova Rimma Kurbanalievna e-integral.ru