%0 Journal Article %A Alfredo Brega %A Leandro Cagliero %A Juan 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 %U http://geodesic.mathdoc.fr/item/JOLT_2011_21_1_a7/ %F JOLT_2011_21_1_a7