MEЖYHAPOДHbIE ДOГOBOPbI: Dz.U.1960, Nr 2. poz 5. CC&EEL [Internet]. 2019 Dec. 30 [cited 2025 Oct. 6];(1):61. Available from: https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1637