%0 Journal Article %A Marcin E. Kuczma %T A generalization of Steinhaus' theorem to coordinatewise measure preserving binary transformations %J Colloquium Mathematicum %D 1976 %P 241-248 %V 36 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-36-2-241-248/ %R 10.4064/cm-36-2-241-248 %G en %F 10_4064_cm_36_2_241_248