@article{CMH_1961__35_139208,
     author = {Robert Osserman},
     title = {Minimal {Surfaces} in the {Large.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {65--76},
     publisher = {mathdoc},
     volume = {35},
     year = {1961},
     zbl = {0098.34904},
     url = {http://geodesic.mathdoc.fr/item/CMH_1961__35_139208/}
}