00456naa#a2200181#i#450# EN\\bibl\74523 20241011131547.5 2413-046X 20171225b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 338.48:332.156 ENG Kulagina Evgeniya Viktorovna e-integral.ru