TY  - JOUR
AU  - John Harer
TI  - The Second Homology Group of the Mapping Class Group of an Orientable Surface.
JO  - Inventiones mathematicae
PY  - 1983
SP  - 221
VL  - 72
PB  - mathdoc
UR  - https://geodesic-test.mathdoc.fr/item/IM_1983__72_143018/
LA  - un
ID  - IM_1983__72_143018
ER  -