00503naa#a2200181#i#450# EN\RIOR\bibl\8126 20250111115350.6 2500-1469 20151029b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow Publishing Center RIOR 2015 3 с. Journal article local Ponomareva Ekaterina Pershina Tatyana zh-szf.ru