International Journal of Mathematics and Mathematical Sciences
Volume 14 (1991), Issue 3, Pages 431-434
On stability of additive mappings
Institute of Mathematics, Silesian University, Bankowa 14, Katowice 40-007, Poland
Received 26 January 1990
Copyright © 1991 Zbigniew Gajda. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
In this paper we answer a question of Th. M. Rassias concerning an extension of
validity of his result proved in .