Using the fixed point method, we prove the generalized Hyers-Ulam stability of -algebra homomorphisms and of generalized derivations on -algebras for the following functional equation of Apollonius type .
"Fixed Points and Stability of an Additive Functional Equation of -Apollonius Type in -Algebras." Abstr. Appl. Anal. 2008 1 - 13, 2008. https://doi.org/10.1155/2008/672618