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On the Hyers-Ulam stability of a generalized quadratic and additive functional equation. (English) Zbl 1071.39030

The authors obtain the general solution of a generalized quadratic and additive type functional equation and prove some interesting results concerning the generalized Hyers-Ulam stability for the equation.

MSC:

39B82 Stability, separation, extension, and related topics for functional equations
39B55 Orthogonal additivity and other conditional functional equations
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