%0 Journal Article %A K. Sieklucki %T Realization of mappings %J Fundamenta Mathematicae %D 1969 %P 325-343 %V 65 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-65-3-325-343/ %R 10.4064/fm-65-3-325-343 %G en %F 10_4064_fm_65_3_325_343