TY  - JOUR
AU  - K.R. Goodearl
AU  - R.B. Jr. Warfield
TI  - Primitivity in Differential Operator Rings.
JO  - Mathematische Zeitschrift
PY  - 1982
SP  - 503
EP  - 524
VL  - 180
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZ_1982__180_173208/
ID  - MZ_1982__180_173208
ER  -