Kalachikova O.N., Korolenko A.V., Bobrova A.G. Demographic development of Russia and Belarus in the 21st century in the context of the introduction of the active longevity concept. Problems of Territory's Development, 2021, vol. 25, no. 1, pp. 29–51. DOI: 10.15838/ptd.2021.1.111.2
Federal Center of Theoretical and Applied Sociology of the Russian Academy of Sciences, Institute for Demographic Research; Federal State Budgetary Institution of Science Vologda Research Center of the Russian Academy of Sciences (VolRC RAS)
