@article{05231654, title = {On the stability of generalized d'Alembert and Jensen functional equations.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/43185}, zbl = {1131.39027}, language = {en}, url = {http://dml.mathdoc.fr/item/05231654} }
Kim, Gwang Hui; Dragomir, Sever S. On the stability of generalized d'Alembert and Jensen functional equations.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/43185. http://gdmltest.u-ga.fr/item/05231654/