Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2003_33_1a_2, author = {S. Pirzada}, title = {Simple score sequences in oriented graphs}, journal = {Novi Sad Journal of Mathematics}, pages = {25-29}, publisher = {mathdoc}, volume = {33}, number = {1}, year = {2003}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_2/} }
S. Pirzada. Simple score sequences in oriented graphs. Novi Sad Journal of Mathematics, Tome 33 (2003) no. 1. http://geodesic.mathdoc.fr/item/NSJOM_2003_33_1a_2/