@article{GT_2003_7_1_a12,
     author = {Goldman, William M},
     title = {The modular group action on real {SL(2){\textendash}characters} of a one-holed torus},
     journal = {Geometry & topology},
     pages = {443--486},
     publisher = {mathdoc},
     volume = {7},
     number = {1},
     year = {2003},
     doi = {10.2140/gt.2003.7.443},
     url = {http://geodesic.mathdoc.fr/articles/10.2140/gt.2003.7.443/}
}