[1]
LAZURKO, L. and LUCHENKO, D. 2019. THE ANCIENT POLAND STATE SYSTEM IN SCIENTIFIC DISCUSCUSSIONS ATTHE BEGINNING OF THE XXth CENTURY. EAST EUROPEAN HISTORICAL BULLETIN. 12 (Sep. 2019), 54–63. DOI:https://doi.org/10.24919/2519-058x.12.177552.