Document Type : Original Article
Department of Mathematics, Razi University, Kermanshah, Iran
Department of Mathematics, Faculty of Basic Science, Bu-Ali Sina University, Hamedan, Iran
Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
IIn this paper, we prove the Mittag-Leffler-Hyers-Ulam-Rassias stability for cubic functional equation by using the fixed point alternative theorem. As a consequence, we show that the cubic multipliers are superstable under some conditions.