00503naa#a2200193#i#450# EN\\bibl\74499 20241122130412.5 2413-046X 20171225b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 336.115+65.011.2 ENG Gusev Vladislav Borisovich Isaeva Natal'ya Aleksandrovna e-integral.ru