@article{AM2_1992__44_1_137495,
     author = {Thomas Riedel},
     title = {Cauchy's equation on ?: futher results.},
     journal = {Aequationes mathematicae},
     pages = {236--248},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1992},
     zbl = {0765.39006},
     url = {http://geodesic.mathdoc.fr/item/AM2_1992__44_1_137495/}
}