TY  - JOUR
AU  - G. Harder
TI  - Eisenstein cohomology of arithmetic groups. The case GL2.
JO  - Inventiones mathematicae
PY  - 1987
SP  - 37
EP  - 118
VL  - 89
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IM_1987__89_143473/
ID  - IM_1987__89_143473
ER  -