@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/