%0 Journal Article %A Vlach, Milan %T A note on separation by linear mappings %J Commentationes Mathematicae Universitatis Carolinae %D 1977 %P 167-168 %V 18 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1977__18_1_a16/ %G en %F CMUC_1977__18_1_a16