%0 Journal Article %A Andrzej Mostowski %T On a problem of W. Kinna and K. Wagner %J Colloquium Mathematicum %D 1958 %P 207-208 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-207-208/ %R 10.4064/cm-6-1-207-208 %G de %F 10_4064_cm_6_1_207_208