00491naa#a2200193#i#450# EN\\bibl\74785 20241126032352.2 2413-046X 20190125b2019####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2019 0 с. Journal article local . 323.334 ENG Cherezova Natal'ya Viktorovna Guzeva Irina Viktorovna e-integral.ru