00535naa#a2200193#i#450# EN\\bibl\7360 20260523180331.6 1999-9836 20151017b2015####ek#y0engy0150####ca RUS RU Demographic Movement of Post-Soviet Russia Regions Journal article Moscow All-Russian center of living standards 2015 7 с. Journal article local Sudoplatova V. Rybakovskiy O. Tayunova O. zh-szf.ru