@article{AFM_1998_23_2_a1,
     author = {Min Chen},
     title = {A fundamental domain for the modular group of {Riemann} surfaces of type (0,n)},
     journal = {Annales Fennici Mathematici},
     pages = {275--281},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1998_23_2_a1/}
}