Journal of Inequalities and Applications 
Volume 2005 (2005), Issue 1, Pages 41-47
doi:10.1155/JIA.2005.41

Hyers-Ulam stability of Butler-Rassias functional equation

Soon-Mo Jung

 Mathematics Section, College of Science and Technology, Hong-Ik University, Chochiwon 339-701, Korea
Received 10 June 2004

Abstract

We will prove the Hyers-Ulam stability of the Butler-Rassias functional equation following an idea by M. T. Rassias.