Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_1989_19_2a_5, author = {Petrovi\'c Vojislav}, title = {On unavoidable subgraphs of strong tournaments}, journal = {Novi Sad Journal of Mathematics}, pages = {61-66}, publisher = {mathdoc}, volume = {19}, number = {2}, year = {1989}, url = {http://geodesic.mathdoc.fr/item/NSJOM_1989_19_2a_5/} }
Petrović Vojislav. On unavoidable subgraphs of strong tournaments. Novi Sad Journal of Mathematics, Tome 19 (1989) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_1989_19_2a_5/