HOLOVCHENKO, V. Obtaining International Sovereignty of the UPR at the Central Rada Period. Historia i Polityka, [S. l.], n. 20 (27), p. 89–100, 2017. DOI: 10.12775/HiP.2017.014. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2017.014. Acesso em: 3 lis. 2024.