%0 Journal Article %A Híc, Pavol %T On partially directed geodetic graphs %J Mathematica slovaca %D 1982 %P 255-262 %V 32 %N 3 %U http://geodesic.mathdoc.fr/item/MASLO_1982_32_3_a4/ %G en %F MASLO_1982_32_3_a4