Hyers-Ulam-Rassias stability of a composite functional equation in various normed spaces

نویسنده

چکیده مقاله:

In this paper, we prove the generalized Hyers-Ulam(or Hyers-Ulam-Rassias ) stability of the following composite functional equation f(f(x)-f(y))=f(x+y)+f(x-y)-f(x)-f(y) in various normed spaces.

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عنوان ژورنال

دوره 39  شماره 3

صفحات  383- 403

تاریخ انتشار 2013-07-01

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