@article{AFM_1993_18_1_a11,
     author = {John A. Velling},
     title = {Degeneration of quasicircles: inner and outer radii of {Teichm\"uller} spaces},
     journal = {Annales Fennici Mathematici},
     pages = {147--154},
     publisher = {mathdoc},
     volume = {18},
     number = {1},
     year = {1993},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/AFM_1993_18_1_a11/}
}