TY  - JOUR
AU  - COUTINHO, S. C.
TI  - NONHOLONOMIC SIMPLE D-MODULES FROM SIMPLE DERIVATIONS
JO  - Glasgow mathematical journal
PY  - 2007
SP  - 11
EP  - 21
VL  - 49
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.1017/S0017089507003370/
DO  - 10.1017/S0017089507003370
ID  - 10_1017_S0017089507003370
ER  -