@article{CMH_1989__64_1_140155,
     author = {T. Nakanishi and H.-O Yamamoto},
     title = {On the outradius of the {Teichm\"uller} space.},
     journal = {Commentarii mathematici Helvetici},
     pages = {288--299},
     publisher = {mathdoc},
     volume = {64},
     number = {1},
     year = {1989},
     zbl = {0686.30034},
     url = {http://geodesic.mathdoc.fr/item/CMH_1989__64_1_140155/}
}