%0 Journal Article %A James Keesling %T Open and closed mappings and compactification %J Fundamenta Mathematicae %D 1969 %P 73-81 %V 65 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-65-1-73-81/ %R 10.4064/fm-65-1-73-81 %G en %F 10_4064_fm_65_1_73_81