00464naa#a2200181#i#450# EN\INFRA-M\bibl\13837 20260104003641.7 2305-7807 20161128b2016####ek#y0engy0150####ca RUS RU Journal article Moscow INFRA-M Academic Publishing LLC. 2016 2 с. Journal article local Kalyugina Svetlana Belashova Lyudmila naukaru.ru