%0 Journal Article %A A. Luedeking %A D. Poguntke %T Cocycles on Abelian Groups and Primitive Ideals in Group C*-Algebras of Two-Step Nilpotent Groups and Connected Lie Groups %J Journal of Lie Theory %D 1994 %P 39-104 %V 4 %N 1 %U http://geodesic.mathdoc.fr/item/JOLT_1994_4_1_a3/ %F JOLT_1994_4_1_a3