%0 Journal Article %A W. Bertram %T On Some Classes of Conformal Groups %J Journal of Lie theory %D 1996 %P 215-247 %V 6 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_1996_6_2_a5/ %F JLT_1996_6_2_a5