Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1994_336_3_a9, author = {V. S. Levchenkov}, title = {Choice based on tournament relations}, journal = {Doklady Akademii Nauk}, pages = {324--327}, publisher = {mathdoc}, volume = {336}, number = {3}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1994_336_3_a9/} }
V. S. Levchenkov. Choice based on tournament relations. Doklady Akademii Nauk, Tome 336 (1994) no. 3, pp. 324-327. http://geodesic.mathdoc.fr/item/DAN_1994_336_3_a9/