TY  - JOUR
AU  - Fegan, H. D.
AU  - Steer, B.
TI  - First Order Operators on Manifolds With a Group Action
JO  - Canadian journal of mathematics
PY  - 1996
SP  - 758
EP  - 776
VL  - 48
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-039-6/
DO  - 10.4153/CJM-1996-039-6
ID  - 10_4153_CJM_1996_039_6
ER  -