%0 Journal Article %A J.T. Stafford %T Non-holonomic modules over Weyl algebras and enveloping algebras. %J Inventiones mathematicae %D 1985 %P 619-638 %V 79 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1985__79_143217/ %F IM_1985__79_143217