@article{CMJ_2004__54_1_a0,
     author = {Nebesk\'y, Ladislav},
     title = {The directed geodetic structure of a strong digraph},
     journal = {Czechoslovak Mathematical Journal},
     pages = {1--8},
     publisher = {mathdoc},
     volume = {54},
     number = {1},
     year = {2004},
     mrnumber = {2040215},
     zbl = {1045.05039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMJ_2004__54_1_a0/}
}