%0 Journal Article %A M. Reichaw %T On a theorem of W. Hurewicz on mappings which lower dimension %J Colloquium Mathematicum %D 1972 %P 323-329 %V 26 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-26-1-323-329/ %R 10.4064/cm-26-1-323-329 %G en %F 10_4064_cm_26_1_323_329