@article{10_2140_agt_2007_7_1987,
     author = {Chen, Yu Qing and Glover, Henry and Jensen, Craig},
     title = {The center of some braid groups and the {Farrell} cohomology of certain pure mapping class groups},
     journal = {Algebraic and Geometric Topology},
     pages = {1987--2006},
     year = {2007},
     volume = {7},
     number = {4},
     doi = {10.2140/agt.2007.7.1987},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2007.7.1987/}
}