%0 Journal Article %A E. Straus %T On a problem of W. SierpiƄski on the congruence of sets %J Fundamenta Mathematicae %D 1957 %P 75-81 %V 44 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-44-1-75-81/ %R 10.4064/fm-44-1-75-81 %G en %F 10_4064_fm_44_1_75_81