TY  - JOUR
AU  - C. Hyltén-Cavallius
TI  - On a combinatorical problem
JO  - Colloquium Mathematicum
PY  - 1958
SP  - 61
EP  - 65
VL  - 6
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-61-65/
DO  - 10.4064/cm-6-1-61-65
LA  - en
ID  - 10_4064_cm_6_1_61_65
ER  -