Grechenko VA. Research of Civil and Legal Relations of Kievan Rus Period Made by Professor P. P. Tsitovich (1843-1913). VNUAF [Internet]. 2018Nov.30 [cited 2024Apr.27];81(2):46-4. Available from: http://visnyk.univd.edu.ua/index.php/VNUAF/article/view/175