%0 Journal Article %A Krzysztof NowiƄski %T Closed retractions of Euclidean spaces %J Fundamenta Mathematicae %D 1974 %P 1-7 %V 85 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-85-1-1-7/ %R 10.4064/fm-85-1-1-7 %G en %F 10_4064_fm_85_1_1_7