%0 Journal Article %A James Keesling %T Closed mappings and local dimension %J Colloquium Mathematicum %D 1970 %P 75-79 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-21-1-75-79/ %R 10.4064/cm-21-1-75-79 %G en %F 10_4064_cm_21_1_75_79