@article{GDZPPN002039176,
title = {On a joint generalization of Cauchy's and d'Alembert's functional equations.},
journal = {Aequationes mathematicae},
volume = {44},
year = {1992},
pages = {72-89},
zbl = {0763.39003},
url = {http://dml.mathdoc.fr/item/GDZPPN002039176}
}
Badora, Ramon. On a joint generalization of Cauchy's and d'Alembert's functional equations.. Aequationes mathematicae, Tome 44 (1992) pp. 72-89. http://gdmltest.u-ga.fr/item/GDZPPN002039176/