00540naa#a2200193#i#450# EN\\bibl\13960 /en/manage/index 20250407094722.1 2071-2367 20161031b2016####ek#y0engy0150####ca RUS RU Dynamics of the social structure of the Russian middle class Journal article Moscow RANEPA 2016 10 с. Journal article local Alekseenok Anna Galtsova Anna test.editorum.ru /en/manage/index