@article{01928908, title = {Convex cocompact subgroups of mapping class groups.}, journal = {Geometry \& Topology}, volume = {6}, year = {2002}, pages = {91-152}, doi = {10.2140/gt.2002.6.91}, zbl = {1021.20034}, language = {en}, url = {http://dml.mathdoc.fr/item/01928908} }
Farb, Benson; Mosher, Lee. Convex cocompact subgroups of mapping class groups.. Geometry & Topology, Tome 6 (2002) pp. 91-152. doi : 10.2140/gt.2002.6.91. http://gdmltest.u-ga.fr/item/01928908/