%0 Journal Article
%A Alfredo Brega
%A Juan Tirao
%T A Transversality property of a derivation of the universal enverloping algebra U (k), for SO (n,1) and SU (n,1).
%J Manuscripta mathematica
%D 1992
%P 195-216
%V 74
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1992__74_2_155692/
%F MM2_1992__74_2_155692