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@article{IM_1986__84_143338, author = {J.L. Harer}, title = {The virtual cohomological dimension of the mapping class group of an orientable surface.}, journal = {Inventiones mathematicae}, pages = {157--176}, publisher = {mathdoc}, volume = {84}, year = {1986}, zbl = {0592.57009}, url = {http://geodesic.mathdoc.fr/item/IM_1986__84_143338/} }
J.L. Harer. The virtual cohomological dimension of the mapping class group of an orientable surface.. Inventiones mathematicae, Tome 84 (1986), pp. 157-176. http://geodesic.mathdoc.fr/item/IM_1986__84_143338/