%0 Journal Article %A Zelinka, Bohdan %T Erratum: A contribution to my article 'Introducing an orientation into a given non-directed graph' %J Mathematica slovaca %D 1967 %V 17 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1967__17_4_a6/ %G en %F MASLO_1967__17_4_a6