@article{MZ_1983__183_173336,
     author = {Walter Benz},
     title = {On a {Functional} {Equation} in {Connection} with {Derivations.}},
     journal = {Mathematische Zeitschrift},
     pages = {495--502},
     publisher = {mathdoc},
     volume = {183},
     year = {1983},
     zbl = {0507.39005},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__183_173336/}
}