Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@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/} }
Híc, Pavol. On partially directed geodetic graphs. Mathematica slovaca, Tome 32 (1982) no. 3, pp. 255-262. http://geodesic.mathdoc.fr/item/MASLO_1982__32_3_a4/