%0 Journal Article %A Yehuda Shalom %T Rigidity, unitary representations of semisimple groups, and fundamental groups of manifolds with rank one transformation group %J Annals of mathematics %D 2000 %V 152 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2307/2661380/ %R 10.2307/2661380 %F 10_2307_2661380