00521naa#a2200169#i#450# EN\\bibl\6012 20241211164117.3 1999-9836 20150617b2015####ek#y0engy0150####ca RUS RU The Objects of Interregional Competition in the Formation of the Reproductive Potential of the Regions Journal article Moscow All-Russian center of living standards 2015 5 с. Journal article local Akhunov R. naukaru.ru