@article{01583199,
title = {A characterization of derivations by functional equations.},
journal = {Mathematica Pannonica},
volume = {11},
year = {2000},
pages = {187-190},
zbl = {0964.39023},
language = {en},
url = {http://dml.mathdoc.fr/item/01583199}
}
Halter-Koch, Franz. A characterization of derivations by functional equations.. Mathematica Pannonica, Tome 11 (2000) pp. 187-190. http://gdmltest.u-ga.fr/item/01583199/