Stability of a k Cubic Functional Equation in Quasi - β Normed Spaces: Direct and Fixed Point Methods
Matina J. Rassias, M. Arunkumar & E. Sathya · Journal of Advances in Mathematics and Computer Science · 2015
In this paper, we introduce and investigate the Hyers - Ulam stability of a k cubic functional equation of the form for in quasi - normed spaces using both direct and fixed point methods.
Open access
Research Article
10.9734/BJMCS/2015/17006