%0 Journal Article %A Gedeonová, Eva %T The orientability of the direct product of graphs %J Mathematica slovaca %D 1981 %P 71-78 %V 31 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1981__31_1_a5/ %G en %F MASLO_1981__31_1_a5