@article{10_4153_CJM_1982_056_0,
     author = {Beardon, A. F. and Nicholls, P. J.},
     title = {Ford and {Dirichlet} {Regions} for {Fuchsian} {Groups}},
     journal = {Canadian journal of mathematics},
     pages = {806--815},
     year = {1982},
     volume = {34},
     number = {4},
     doi = {10.4153/CJM-1982-056-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1982-056-0/}
}