00478naa#a2200169#i#450# EN\INFRA-M\bibl\6812 20240425050652.4 1998-0701 20150817b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow INFRA-M Academic Publishing LLC. 2015 9 с. Journal article local Mislavskaya N. A. naukaru.ru