%0 Journal Article %A A. Brega %A L. Cagliero %A J. Tirao %T The Image of the Lepowsky Homomorphism for SO(n,1) and SU(n,1) %J Journal of Lie theory %D 2011 %P 165-188 %V 21 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2011_21_1_JLT_2011_21_1_a7/ %F JLT_2011_21_1_JLT_2011_21_1_a7