%0 Journal Article %A C. Hyltén-Cavallius %T On a combinatorical problem %J Colloquium Mathematicum %D 1958 %P 61-65 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-61-65/ %R 10.4064/cm-6-1-61-65 %G en %F 10_4064_cm_6_1_61_65