AKKOUCHI, Mohamed; BOUNABAT, Abdellah; RHALI, M.H. Lalaoui. Fixed point approach to the stability of an integral equation in the sense of Ulam-Hyers-Rassias. Annales Mathematicae Silesianae, [S. l.], v. 25, p. 27–44, 2011. Disponível em: https://journals.us.edu.pl/index.php/AMSIL/article/view/14019. Acesso em: 7 dec. 2025.