@article{05627871, title = {A fixed point approach to the stability of the functional equation }, journal = {Fixed Point Theory and Applications [electronic only]}, volume = {2009}, year = {2009}, doi = {10.1155/2009/912046}, zbl = {1177.39035}, language = {en}, url = {http://dml.mathdoc.fr/item/05627871} }
Jung, Soon-Mo; Min, Seungwook. A fixed point approach to the stability of the functional equation . Fixed Point Theory and Applications [electronic only], Tome 2009 (2009) . doi : 10.1155/2009/912046. http://gdmltest.u-ga.fr/item/05627871/