@article{MASLO_1982__32_3_a4,
     author = {H{\'\i}c, Pavol},
     title = {On partially directed geodetic graphs},
     journal = {Mathematica slovaca},
     pages = {255--262},
     publisher = {mathdoc},
     volume = {32},
     number = {3},
     year = {1982},
     mrnumber = {670001},
     zbl = {0492.05045},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/MASLO_1982__32_3_a4/}
}