@article{JRAM_1994__456_153664,
     author = {R. Horiuchi and M. Shiba},
     title = {Deformation of a torus by attaching the {Riemann} sphere.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {135--150},
     year = {1994},
     volume = {456},
     zbl = {0816.30034},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1994__456_153664/}
}