00513naa#a2200181#i#450# EN\RIOR\bibl\9668 20240424135726.3 2409-5087 20151228b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow Publishing Center RIOR 2015 10 с. Journal article local Lyubashits Valentin Mamychev Aleksey Yur'evich naukaru.ru