%0 Journal Article %A Jendroľ, S. %A Voss, H. J. %T Light paths with an odd number of vertices in polyhedral maps %J Czechoslovak Mathematical Journal %D 2000 %P 555-564 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2000__50_3_a9/ %G en %F CMJ_2000__50_3_a9