학술저널
A FIXED POINT APPROACH TO THE STABILITY OF APPROXIMATELY QUADRATIC-ADDITIVE MAPPINGS
- 충청수학회
- Journal of the Chungcheong Mathematical Society
- Volume 25, No. 1
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2012.0243 - 49 (7 pages)
- 2
In this paper, we investigate the stability of a func-tional equation f(x+y+z)¡f(x+y)¡f(y+z)¡f(x+z)+f(x)+f(y)+f(z) = 0 by using the ¯xed point theory in the sense of L. C¸adariu and V. Radu.
1. Introduction
2. Main results
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