00582naa#a2200181#i#450# EN\INFRA-M\bibl\11074 20240920213702.5 2306-1731 20160217b2016####ek#y0engy0150####ca RUS RU Cossacks Identity Problem in the Context of Social and Cultural Integration of the Russian Population in the Modern Conditions Journal article Moscow INFRA-M Academic Publishing LLC. 2016 6 с. Journal article local Kapitsa G. Kashchenko T. L. riorpub.com