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Stability of an Additive-Cubic-Quartic Functional Equation
2009
Advances in Difference Equations
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In this paper, we consider the additive-cubic-quartic functional equation 11 f x 2y f x−2y 44 f x y f x −y 12f 3y −48f 2y 60f y −66f x and prove the generalized Hyers-Ulam stability of the additive-cubic-quartic functional equation in Banach spaces.
doi:10.1155/2009/395693
fatcat:pjwjchyljnh2zjrurp3nmqrcmu