@article{AM2_1982__24_136931, author = {Gian Luigi Forti}, title = {On an alternative functional equation related to the {Cauchy} equation. {(Short} {Communication).}}, journal = {Aequationes mathematicae}, pages = {119--120}, publisher = {mathdoc}, volume = {24}, year = {1982}, zbl = {0509.39009}, url = {http://geodesic.mathdoc.fr/item/AM2_1982__24_136931/} }