초록

The aim of this paper is to study the superstability problem of thecosine type functional equation f(x + y) + f(x + σy) = 2 g(x)g(y).
On the Stability of the Cosine Type Functional Equation
1강남대학교
The aim of this paper is to study the superstability problem of thecosine type functional equation f(x + y) + f(x + σy) = 2 g(x)g(y).
KCI 0 회
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