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摘要
In this paper, we continue the investigation of functional equation which is begun by the authors in the first part. We also prove the Hyers-Ulam stability for the following mixed quadratic-additive functional equation in quasi-Banach spaces. f(x + my) + f (x - my) = { 2 f(x) - 2m(2) f(y) + m(2)f (2y) m is even f(x + y) + f(x - y) - 2(m(2) - 1) f(y) + (m(2) - 1)f(2y), m is odd.
- 出版日期2015-3
