00471naa#a2200169#i#450# EN\RIOR\bibl\9669 20240502211419.4 2409-5087 20151228b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow Publishing Center RIOR 2015 5 с. Journal article local Ovchinnikov Alyeksyey riorpub.com