@article{JNSA_2013_6_3_a4,
     author = {Chahbi, Abdellatif and Bounader, Nordine},
     title = {On the generalized stability of {dAlembert} functional equation },
     journal = {Journal of nonlinear sciences and its applications},
     pages = {198-204},
     publisher = {mathdoc},
     volume = {6},
     number = {3},
     year = {2013},
     doi = {10.22436/jnsa.006.03.05},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.22436/jnsa.006.03.05/}
}