00460naa#a2200181#i#450# EN\\bibl\74259 20241201234527.7 2413-046X 20170625b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Novikova Natal'ya Efimovna Mel'nikova Marina Petrovna e-integral.ru