%0 Journal Article %A U. Bader %T Conformal Actions on Homogeneous Lorentzian Manifolds %J Journal of Lie theory %D 2010 %P 469-481 %V 20 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2010_20_3_JLT_2010_20_3_a2/ %F JLT_2010_20_3_JLT_2010_20_3_a2