@article{GDZPPN002103141, title = {The Euler characteristic of the moduli space of curves.}, journal = {Inventiones mathematicae}, volume = {83}, year = {1986}, pages = {457-486}, zbl = {0616.14017}, url = {http://dml.mathdoc.fr/item/GDZPPN002103141} }
Zagier, D.; Harer, J. The Euler characteristic of the moduli space of curves.. Inventiones mathematicae, Tome 83 (1986) pp. 457-486. http://gdmltest.u-ga.fr/item/GDZPPN002103141/