“System Prawa Administracyjnego [Le système Du Droit administratif], Vol. III, Wrocław 1978, Ossolineum”. Contemporary Central & East European Law, no. 3-4(51-52) (December 31, 1981): 68–73. Accessed October 6, 2025. https://czasopisma.inp.pan.pl/index.php/cceel/article/view/1839.