%0 Journal Article %A Edward R. Goetze %A Ralf J. Spatzier %T Smooth classification of Cartan actions of higher rank semisimple Lie groups and their lattices %J Annals of mathematics %D 1999 %V 150 %N 3 %U http://geodesic.mathdoc.fr/articles/10.2307/121055/ %R 10.2307/121055 %F 10_2307_121055