%0 Journal Article %A Sheu, Albert Jeu-Liang %T A Cancellation Theorem for Modules Over the Group C*-Algebras of Certain Nilpotent Lie Groups %J Canadian journal of mathematics %D 1987 %P 365-427 %V 39 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1987-018-7/ %R 10.4153/CJM-1987-018-7 %F 10_4153_CJM_1987_018_7