POLCIKIEWICZ, Z. Change in Security Architecture of Central and Eastern Europe in the Context of the Situation in Ukraine. Historia i Polityka, [S. l.], n. 26 (33), p. 97–110, 2019. DOI: 10.12775/HiP.2018.034. Disponível em: https://apcz.umk.pl/HiP/article/view/HiP.2018.034. Acesso em: 17 paź. 2021.