El Ghali R, Almahalebi M, Kabbaj S. General solution and hyperstability results for a cubic radical functional equation related to quadratic mapping. Proyecciones (Antofagasta, On line) [Internet]. 2020Feb.4 [cited 2024Apr.20];39(1):107-22. Available from: https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/3981