LAZURKO, L.; LUCHENKO, D. THE ANCIENT POLAND STATE SYSTEM IN SCIENTIFIC DISCUSCUSSIONS ATTHE BEGINNING OF THE XXth CENTURY. EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 12, p. 54–63, 2019. DOI: 10.24919/2519-058x.12.177552. Disponível em: http://eehb.dspu.edu.ua/article/view/177552. Acesso em: 1 sep. 2024.