00502naa#a2200169#i#450# EN\\bibl\1981 20250302092915.7 1999-9836 20140310b2014####ek#y0engy0150####ca RUS RU Demographic development of Russia and its regions: the general and special Journal article Moscow All-Russian center of living standards 2014 15 с. Journal article local Yelizarov Valyeriy naukaru.ru