%0 Journal Article %A Hájek, Otomar %T Differentiable representation of flows (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1966 %P 219-225 %V 07 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1966__7_2_a5/ %G en %F CMUC_1966__7_2_a5