@article{GMJ_2004__11_1_51221,
     author = {Elqorachi, Elhoucien and Akkouchi, Mohamed},
     title = {On {Hyers-Ulam} stability of {Cauchy} and {Wilson} equations.},
     journal = {Georgian Mathematical Journal},
     pages = {69--82},
     publisher = {mathdoc},
     volume = {11},
     number = {1},
     year = {2004},
     zbl = {1059.39019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/GMJ_2004__11_1_51221/}
}