Nuino, Ahmed, Mustapha Esseghyr Hryrou, and Samir Kabbaj. “Some Hyperstability Results of a P-Radical Functional Equation Related to Quartic Mappings in Non-Archimedean Banach Spaces”. Proyecciones (Antofagasta, On line) 40, no. 5 (June 16, 2021): 1155-1177. Accessed April 25, 2024. https://www.revistaproyecciones.cl/index.php/proyecciones/article/view/3704.