%0 Journal Article %A Karol Borsuk %T Dependence of mappings and equivalence of sets %J Fundamenta Mathematicae %D 1960 %P 321-336 %V 49 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-49-3-321-336/ %R 10.4064/fm-49-3-321-336 %G en %F 10_4064_fm_49_3_321_336