00517naa#a2200193#i#450# EN\\bibl\10611 20240816214930.5 1999-9836 20151217b2015####ek#y0engy0150####ca RUS RU Pension Reform: Hopes and Reality Journal article Moscow All-Russian center of living standards 2015 7 с. Journal article local Ermakov D. Pavlyuchenko V. Burdenko V. naukaru.ru