@article{10_2140_agt_2008_8_935,
     author = {Parwani, Kamlesh},
     title = {C1 actions on the mapping class groups on the circle},
     journal = {Algebraic and Geometric Topology},
     pages = {935--944},
     year = {2008},
     volume = {8},
     number = {2},
     doi = {10.2140/agt.2008.8.935},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/agt.2008.8.935/}
}