%0 Journal Article %A Edward Marczewski %A Hugo Steinhaus %T On a certain distance of sets and the corresponding distance of functions %J Colloquium Mathematicum %D 1958 %P 319-327 %V 6 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-6-1-319-327/ %R 10.4064/cm-6-1-319-327 %G en %F 10_4064_cm_6_1_319_327