00559naa#a2200217#i#450# EN\\bibl\74536 20241122131451.5 2413-046X 20180225b2018####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2018 0 с. Journal article local . 338.24.021.8:338.124.4:338.001.36 ENG Shapovalov D. A. Habarova I. A. Druchinin S. S. Habarov D. A. e-integral.ru