00465naa#a2200169#i#450# EN\RIOR\bibl\6484 20250217131259.1 2500-1469 20150630b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow Publishing Center RIOR 2015 9 с. Journal article local Petukhov Nikolay naukaru.ru