TY  - JOUR
AU  - J.T. Stafford
TI  - Non-holonomic modules over Weyl algebras and enveloping algebras.
JO  - Inventiones mathematicae
PY  - 1985
SP  - 619
EP  - 638
VL  - 79
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1985__79_143217/
ID  - IM_1985__79_143217
ER  -