%0 Journal Article %A Zelinka, Bohdan %T Introducing an Orientation into a Given Non-Directed Graph %J Mathematica slovaca %D 1966 %P 66-71 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1966__16_1_a9/ %G en %F MASLO_1966__16_1_a9