@article{CMH_1977__52_139680,
     author = {Peter Buser},
     title = {Riemannsche {Fl\"achen} mit {Eigenwerten} in (0, ...).},
     journal = {Commentarii mathematici Helvetici},
     pages = {25--34},
     year = {1977},
     volume = {52},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139680/}
}