TY  - JOUR
AU  - Jürg Rätz
AU  - Luigi Paganoni
TI  - Conditional function equations and orthogonal additivity.
JO  - Aequationes mathematicae
PY  - 1995
SP  - 135
EP  - 142
VL  - 50
IS  - 1-2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1995__50_1-2_137623/
ID  - AM2_1995__50_1-2_137623
ER  -