00511naa#a2200193#i#450# EN\\bibl\74360 20241129122548.5 2413-046X 20170825b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local Nazarov Dmitriy Mihaylovich Tovmasyan Natal'ya Dmitrievna Begicheva Svetlana Viktorovna e-integral.ru