@article{AM2_1978__17_136763,
     author = {Wolfgang Sander},
     title = {Verallgemeinerte {Cauchy-Funktionalgleichungen.} {(Short} {Communication).}},
     journal = {Aequationes mathematicae},
     pages = {390--391},
     publisher = {mathdoc},
     volume = {17},
     year = {1978},
     zbl = {0397.39013},
     url = {http://geodesic.mathdoc.fr/item/AM2_1978__17_136763/}
}