排序方式: 共有3条查询结果,搜索用时 0 毫秒
1
1.
2.
In this paper, we investigate the Hyers-Ulam stability of the following function equation 2f(2x + y) + 2f(2x - y) = 4f(x + y) + 4f(x - y) + 4f(2x) + f(2y) - Sf(x) - 8f(y) in quasi-β-normed spaces. 相似文献
1