%0 Journal Article %A B. Węglorz %T Some remarks on selectors %J Fundamenta Mathematicae %D 1972 %P 295-304 %V 77 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-77-3-295-304/ %R 10.4064/fm-77-3-295-304 %G en %F 10_4064_fm_77_3_295_304