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Author(s) | Cieplinski, Krzysztof, Zhou Xu, Tian |
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In this paper we prove the generalized Hyers-Ulam stability of multi-Jensen and multi-quadratic mappings in 2-Banach spaces. The corollaries from our main results correct some outcomes from [Park, W.-G., Approximate additive mappings in 2-Banach spaces and related topics, J. Math. Anal. Appl., 376 (2011) 193–202].
Author(s) | Cieplinski, Krzysztof, Zhou Xu, Tian |
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