%0 Journal Article %A Erdös, P. %A Moser, L. %T A Problem on Tournaments %J Canadian mathematical bulletin %D 1964 %P 351-356 %V 7 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1964-032-2/ %R 10.4153/CMB-1964-032-2 %F 10_4153_CMB_1964_032_2