@article{10_4153_CMB_1966_038_7,
     author = {Moon, J. W.},
     title = {On {Subtournaments} of a {Tournament}},
     journal = {Canadian mathematical bulletin},
     pages = {297--301},
     year = {1966},
     volume = {9},
     number = {3},
     doi = {10.4153/CMB-1966-038-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-038-7/}
}