TEAM, S. A quartic functional equation and its generalized Hyers-Ulam-Rassias stability: Montakarn Petapirak, Paisan Nakmahachalasint. Thai Journal of Mathematics, [S. l.], v. 6, n. 3, p. 77–84, 2008. Disponível em: https://thaijmath2.in.cmu.ac.th/index.php/thaijmath/article/view/136. Acesso em: 28 apr. 2024.