BARON, Karol; MORAWIEC, Janusz. Note on an iterative functional equation. Annales Mathematicae Silesianae, [S. l.], v. 38, n. 1, p. 12–17, 2024. Disponível em: https://trrest.vot.pl/ojsus/index.php/AMSIL/article/view/16732. Acesso em: 7 may. 2025.