KARPUS, Z. The Polish-Ukrainian relations during the formation ot the Polish eastern border in the years between 1918-1922. Torun International Studies, [S. l.], v. 1, n. 2, p. 5–18, 2009. DOI: 10.12775/TIS.2009.001. Disponível em: https://apcz.umk.pl/TSM/article/view/TIS.2009.001. Acesso em: 17 jul. 2024.