@article{CMH_1979__54_139798,
     author = {Peter Buser},
     title = {Ueber den ersten {Eigenwert} des {Laplace-Operators} auf kompakten {Fl\"achen.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {477--493},
     publisher = {mathdoc},
     volume = {54},
     year = {1979},
     zbl = {0433.58020},
     url = {http://geodesic.mathdoc.fr/item/CMH_1979__54_139798/}
}