00479naa#a2200193#i#450# EN\\bibl\74554 20241124221509.7 2413-046X 20180425b2018####ek#y0engy0150####ca RUS RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 338.62 RUS Sergeeva Nina Dmitrievna Osnach Veronika Petrovna qje.su