@article{10_4153_CMB_1964_032_2,
     author = {Erd\"os, P. and Moser, L.},
     title = {A {Problem} on {Tournaments}},
     journal = {Canadian mathematical bulletin},
     pages = {351--356},
     year = {1964},
     volume = {7},
     number = {3},
     doi = {10.4153/CMB-1964-032-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-032-2/}
}