00468naa#a2200181#i#450# EN\\bibl\74751 20241222180322.7 2413-046X 20181225b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local Lukachevskiy N'urgun Innokent'evich Borisov Aleksey Ivanovich e-integral.ru