... Applicandae Mathematicae, 2009.29 R. Saadati, S. M. Vaezpour, and Y. J. Cho, A note to paper “On the stability of cubic mappings andquartic mappings in random normed spaces”,” Journal of Inequalities ... AmericanMathematical Society, vol. 57, pp. 223–237, 1951.Journal of Inequalities and Applications 98 P. G˘avrut a, A generalization of the Hyers-Ulam-Rassias stability of approximately additivemappings,” ... ApplicandaeMathematicae, vol. 62, no. 1, pp. 23–130, 2000.12 Th. M. Rassias, “On the stability of functional equations in Banach spaces,” Journal of MathematicalAnalysis and Applications, vol....