Elaboration of the issue on joint responsibility in Kievan Rus by Professor I. M. Sobestiansky (second half of the XIX century). VNUAF [Internet]. 2018 Nov. 7 [cited 2025 Sep. 17];79(4):34-41. Available from: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/4