Generalized Ulam-Hyers Stability of a General Mixed AQCQ-functional Equation in Multi-Banach Spaces: a Fixed Point Approach. Eur. J. Pure Appl. Math. 2010;3(6):1032-1047. Accessed April 5, 2025. https://www.ejpam.com/index.php/ejpam/article/view/854