%0 Journal Article %A Th. Motzkin %A B. Bernheim %T A criterion for divisibility of n-gons into k-gons. %J Commentarii mathematici Helvetici %D 1949 %P 93-102 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1949__22_138958/ %F CMH_1949__22_138958