%0 Journal Article %A Havel, Václav %T Coordinatization of parallel systems. II. %J Commentationes Mathematicae Universitatis Carolinae %D 1967 %P 199-208 %V 08 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1967__8_2_a1/ %G en %F CMUC_1967__8_2_a1