@article{05237657, title = {Fixed points and Hyers--Ulam--Rassias stability of Cauchy--Jensen functional equations in Banach algebras.}, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2007}, year = {2007}, doi = {10.1155/2007/50175}, zbl = {1167.39018}, language = {en}, url = {http://dml.mathdoc.fr/item/05237657} }
Park, Choonkil. Fixed points and Hyers--Ulam--Rassias stability of Cauchy--Jensen functional equations in Banach algebras.. Fixed Point Theory and Applications [electronic only], Tome 2007 (2007) . doi : 10.1155/2007/50175. http://gdmltest.u-ga.fr/item/05237657/