@article{02057399, title = {The modular group action on real }, journal = {Geometry \& Topology}, volume = {7}, year = {2003}, pages = {443-486}, doi = {10.2140/gt.2003.7.443}, zbl = {1037.57001}, language = {en}, url = {http://dml.mathdoc.fr/item/02057399} }
Goldman, William M. The modular group action on real . Geometry & Topology, Tome 7 (2003) pp. 443-486. doi : 10.2140/gt.2003.7.443. http://gdmltest.u-ga.fr/item/02057399/