@article{GDZPPN002102730,
title = {The virtual cohomological dimension of the mapping class group of an orientable surface.},
journal = {Inventiones mathematicae},
volume = {83},
year = {1986},
pages = {157-176},
zbl = {0592.57009},
url = {http://dml.mathdoc.fr/item/GDZPPN002102730}
}
Harer, J.L. The virtual cohomological dimension of the mapping class group of an orientable surface.. Inventiones mathematicae, Tome 83 (1986) pp. 157-176. http://gdmltest.u-ga.fr/item/GDZPPN002102730/