%0 Journal Article %A Li, Chi-Kwong %A Whitney, Wayne %T Closed Symmetric Overgroups of Sn in On %J Canadian mathematical bulletin %D 1996 %P 83-94 %V 39 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1996-011-7/ %R 10.4153/CMB-1996-011-7 %F 10_4153_CMB_1996_011_7