%0 Journal Article %A Tkačenko, Michael G. %T $M$-mappings make their images less cellular %J Commentationes Mathematicae Universitatis Carolinae %D 1994 %P 553-563 %V 35 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1994__35_3_a13/ %G en %F CMUC_1994__35_3_a13