00495naa#a2200169#i#450# EN\\bibl\4729 20241020094729.7 1999-9836 20141215b2014####ek#y0engy0150####ca RUS RU Formation of the Cossacks As a People and Distributed Social Institution Journal article Moscow All-Russian center of living standards 2014 16 с. Journal article local Artamonova M. naukaru.ru