@article{MAN_1991__291_1_164869,
     author = {Shu-Jung Kao},
     title = {On values of {Gauss} maps of complete minimal surfaces on annular ends.},
     journal = {Mathematische Annalen},
     pages = {315--318},
     publisher = {mathdoc},
     volume = {291},
     number = {1},
     year = {1991},
     zbl = {0760.53005},
     url = {http://geodesic.mathdoc.fr/item/MAN_1991__291_1_164869/}
}