Radu, Viorel The fixed point alternative and the stability of functional equations. (English) Zbl 1051.39031 Fixed Point Theory 4, No. 1, 91-96 (2003). The author provides a new proof of a well known theorem of stability of the additive functional equation, by using the fixed point alternative. Reviewer: Gian Luigi Forti (Milano) Cited in 5 ReviewsCited in 204 Documents MSC: 39B82 Stability, separation, extension, and related topics for functional equations 39B52 Functional equations for functions with more general domains and/or ranges Keywords:additive functional equation; stability; fixed point PDF BibTeX XML Cite \textit{V. Radu}, Fixed Point Theory 4, No. 1, 91--96 (2003; Zbl 1051.39031)