%0 Journal Article
%A John Harer
%T The Second Homology Group of the Mapping Class Group of an Orientable Surface.
%J Inventiones mathematicae
%D 1983
%P 221
%V 72
%I mathdoc
%U https://geodesic-test.mathdoc.fr/item/IM_1983__72_143018/
%G un
%F IM_1983__72_143018