TY  - JOUR
AU  - Halina Swiatak
TI  - On alternative functional equations. (Short Communication).
JO  - Aequationes mathematicae
PY  - 1976
SP  - 507
EP  - 507
VL  - 14
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM2_1976__14_136614/
ID  - AM2_1976__14_136614
ER  -