Zasada nieretrokacji w kodeksie cywilnym (art. 3 k.c.): [The principle of non-retroactivity in the Civil Code (art. 3 Comercial Code)]. Studia Prawnicze / The Legal Studies, [S. l.], n. 3 (141), p. 35–56, 1999. DOI: 10.37232/sp.1999.3.2. Disponível em: https://czasopisma.inp.pan.pl/index.php/sp/article/view/2819. Acesso em: 6 oct. 2025.