@article{MZ_1934__38_168506,
     author = {B. Ste{\ss}mann},
     title = {Periodische {Minimalfl\"achen}},
     journal = {Mathematische Zeitschrift},
     pages = {417--442},
     year = {1934},
     volume = {38},
     url = {http://geodesic.mathdoc.fr/item/MZ_1934__38_168506/}
}