00529naa#a2200181#i#450# EN\\bibl\3479 20260111164140.7 1999-9836 20140910b2014####ek#y0engy0150####ca RUS RU International Migration of Population in the Context of the Demographic Theory Journal article Moscow All-Russian center of living standards 2014 8 с. Journal article local Iontsev V. Prokhorova Yu. zh-szf.ru