NOWAK, Agata. On some generalization of the Gołąb-Schinzel equation. Annales Mathematicae Silesianae, [S. l.], v. 26, p. 61–74, 2013. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/14014. Acesso em: 3 jul. 2025.