TY  - JOUR
AU  - Walter Benz
TI  - The cardinality of the set of discontinuous solutions of a class of functional equations.
JO  - Aequationes mathematicae
PY  - 1987
SP  - 58
EP  - 62
VL  - 32
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1987__32_137177/
ID  - AM2_1987__32_137177
ER  -