%0 Journal Article %A Uri Bader %T Conformal Actions on Homogeneous Lorentzian Manifolds %J Journal of Lie Theory %D 2010 %P 469-481 %V 20 %N 3 %U http://geodesic.mathdoc.fr/item/JOLT_2010_20_3_a2/ %F JOLT_2010_20_3_a2