TY  - JOUR
AU  - Sato, Masatoshi
TI  - A class function on the mapping class group of an orientable surface and the Meyer cocycle
JO  - Algebraic and Geometric Topology
PY  - 2008
SP  - 1647
EP  - 1665
VL  - 8
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.1647/
DO  - 10.2140/agt.2008.8.1647
ID  - 10_2140_agt_2008_8_1647
ER  -