@article{CMJ_2000__50_3_a9,
     author = {Jendro\v{l}, S. and Voss, H. J.},
     title = {Light paths with an odd number of vertices in polyhedral maps},
     journal = {Czechoslovak Mathematical Journal},
     pages = {555--564},
     publisher = {mathdoc},
     volume = {50},
     number = {3},
     year = {2000},
     mrnumber = {1777477},
     zbl = {1079.05502},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2000__50_3_a9/}
}