%0 Journal Article %A Gromov, Michael %A Lawson, H. B. Jr. %A Thurston, W. %T Hyperbolic 4-manifolds and conformally flat 3-manifolds %J Publications Mathématiques de l'IHÉS %D 1988 %P 27-45 %V 68 %I Institut des Hautes Études Scientifiques %U http://www.numdam.org/item/PMIHES_1988__68__27_0/ %G en %F PMIHES_1988__68__27_0