%0 Journal Article %A Karl H. Hofmann %A Joachim Hilgert %T On the casual structure of homogeneous manifolds. %J Mathematica Scandinavica %D 1990 %P 119-144 %V 67 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1990__67_2_167125/ %F MS2_1990__67_2_167125