SACEWICZ, K. Concepts of the Political and Military Position of the Polish Underground State in Response to the Red Army’s Invasion of the Eastern Territories of the Second Republic of Poland (1943-1944) - a Broad Outline. Echa Przeszłości, [S. l.], n. XII, 2019. DOI: 10.31648/ep.3342. Disponível em: https://czasopisma.uwm.edu.pl/index.php/ep/article/view/3342. Acesso em: 25 kwi. 2024.