文章基本信息

标题：On the stability of the quadratic mapping in normed spaces
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作者：Gwang Hui Kim
期刊名称：International Journal of Mathematics and Mathematical Sciences
印刷版ISSN：0161-1712
电子版ISSN：1687-0425
出版年度：2001
卷号：25
DOI：10.1155/S0161171201004707
出版社：Hindawi Publishing Corporation
摘要：The Hyers-Ulam stability, the Hyers-Ulam-Rassias stability, and also the stability in the spirit of Gavruţa for each of the following quadratic functional equations f(x