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://journals.us.edu.pl/index.php/AMSIL/article/view/16732. Acesso em: 24 may. 2025.