@article{1077295773, author = {Harer, John}, title = {The third homology group of the moduli space of curves}, journal = {Duke Math. J.}, volume = {64}, number = {1}, year = {1991}, pages = { 25-55}, language = {en}, url = {http://dml.mathdoc.fr/item/1077295773} }
Harer, John. The third homology group of the moduli space of curves. Duke Math. J., Tome 64 (1991) no. 1, pp. 25-55. http://gdmltest.u-ga.fr/item/1077295773/