Czapliński, Władysław. “Is There a Space for Jus Cogens in Present International Law? Remarks in the Context of a Ban on the Use of Force”. Polish Review of International and European Law 11, no. 2 (January 16, 2023): 149–171. Accessed December 22, 2024. https://czasopisma.uksw.edu.pl/index.php/priel/article/view/11376.