Generalized Ulam-Hyers Stability of a General Mixed AQCQ-functional Equation in Multi-Banach Spaces: a Fixed Point Approach. European Journal of Pure and Applied Mathematics, Maryland, USA, v. 3, n. 6, p. 1032–1047, 2010. Disponível em: https://www.ejpam.com/index.php/ejpam/article/view/854.. Acesso em: 28 apr. 2024.