%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 https://www.numdam.org/articles/10.1007/BF02698540/ %R 10.1007/BF02698540 %G en %F PMIHES_1988__68__27_0