Research of Civil and Legal Relations of Kievan Rus Period Made by Professor P. P. Tsitovich (1843-1913). Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 81, n. 2, p. 46–54, 2018. DOI: 10.32631/v.2018.2.04. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/175. Acesso em: 17 sep. 2025.