00539naa#a2200193#i#450# EN\RIOR\bibl\8091 20241226171904.4 2500-1469 20151029b2015####ek#y0engy0150####ca RUS RU Method activation end date in the past. direction:re Journal article Moscow Publishing Center RIOR 2015 6 с. Journal article local Dorofeev Vladimir Shestopal Yuriy Shchetinina Natalya riorpub.com