%0 Journal Article %A Zimmer, Robert J. %T Ergodic theory, semisimple Lie groups and foliations by manifolds of negative curvature %J Publications Mathématiques de l'IHÉS %D 1982 %P 37-62 %V 55 %I Institut des Hautes Études Scientifiques %U http://www.numdam.org/item/PMIHES_1982__55__37_0/ %G en %F PMIHES_1982__55__37_0