TY  - JOUR
AU  - Z. Кareńska
TI  - On some functional equation in the theory of geometric objects
JO  - Commentationes Mathematicae
PY  - 1969
SP  -  219
EP  - 226
VL  - 12
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v12i2.5141/
DO  - 10.14708/cm.v12i2.5141
LA  - pl
ID  - 10_14708_cm_v12i2_5141
ER  -