00568naa#a2200229#i#450# EN\\bibl\74449 20241122031433.5 2413-046X 20171025b2017####ek#y0engy0150####ca ENG RU Journal article Moscow Electronic science 2017 0 с. Journal article local . 338.27; 338.431.6 ENG Timofeeva N. Yu. Kuz'mina A. S. Pischulina E. V. Chursina A. S. Gamova A. A. qje.su