International Journal of Mathematics and Mathematical Sciences 
Volume 2006 (2006), Article ID 43185, 12 pages
doi:10.1155/IJMMS/2006/43185

On the stability of generalized d'Alembert and Jensen functional equations

Gwang Hui Kim1,2 and Sever S. Dragomir2

 1Department of Mathematics, Kangnam University, Suwon 449-702, South Korea
2School of Computer Science & Mathematics, Victoria University, P.O. Box 14428, Melbourne City 8001, MC, Australia
Received 19 March 2006; Revised 19 July 2006; Accepted 25 July 2006

Abstract

The aim of this paper is to study the stability problem of the generalized d'Alembert, Wilson, and Jensen functional equations.