Vilinbakhov [Вилинбахов] V.B. [В.Б.]. Some Demographic Problems in the History of Rus. Studia Historiae Oeconomicae, [S. l.], v. 6, p. 21–36, 1972. DOI: 10.14746/sho.1972.06.1.002. Disponível em: https://pressto.amu.edu.pl/index.php/sho/article/view/57502. Acesso em: 20 oct. 2026.