%0 Journal Article %T Concerning the papers of J. Vaníček %J Commentationes Mathematicae Universitatis Carolinae %D 1965 %V 06 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1965__6_2_a12/ %G en %F CMUC_1965__6_2_a12