%0 Journal Article %A Kingan, Robert J. %T Tournaments and Ideal Class Groups %J Canadian mathematical bulletin %D 1995 %P 330-333 %V 38 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-048-1/ %R 10.4153/CMB-1995-048-1 %F 10_4153_CMB_1995_048_1