%0 Journal Article %T Concerning the papers of J. Vaníček %J Commentationes Mathematicae Universitatis Carolinae %D 1965 %P 279 %V 6 %N 2 %U http://geodesic.mathdoc.fr/item/CMUC_1965_6_2_a12/ %G en %F CMUC_1965_6_2_a12