TY  - JOUR
AU  - J. Perkal
TI  - O e-aureolach
JO  - Commentationes Mathematicae
PY  - 1959
SP  -  73
EP  - 82
VL  - 3
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.14708/cm.v3i1.5426/
DO  - 10.14708/cm.v3i1.5426
LA  - pl
ID  - 10_14708_cm_v3i1_5426
ER  -