@article{10_4153_CMB_2000_047_6,
     author = {Bonato, Anthony and Cameron, Peter and Deli\'c, Dejan},
     title = {Tournaments and {Orders} with the {Pigeonhole} {Property}},
     journal = {Canadian mathematical bulletin},
     pages = {397--405},
     year = {2000},
     volume = {43},
     number = {4},
     doi = {10.4153/CMB-2000-047-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2000-047-6/}
}