00529naa#a2200193#i#450# EN\INFRA-M\bibl\256 20240910022856.2 1998-071X 20130625b2013####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow INFRA-M Academic Publishing LLC. 2013 3 с. Journal article local Novikov A. Novikov V. Novikov S. naukaru.ru