%0 Journal Article %A Victor Klee %T On a problem of Banach %J Colloquium Mathematicum %D 1957 %P 78-78 %V 5 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-5-1-78/ %R 10.4064/cm-5-1-78 %G de %F 10_4064_cm_5_1_78