@article{JDM_1934__44_146048,
     author = {Herbert Gr\"otzsch},
     title = {\"Uber {Fl\"achens\"atze} der konformen {Abbildung.}},
     journal = {Jahresbericht der Deutschen Mathematiker-Vereinigung},
     pages = {266--275},
     publisher = {mathdoc},
     volume = {44},
     year = {1934},
     zbl = {0011.12202},
     url = {http://geodesic.mathdoc.fr/item/JDM_1934__44_146048/}
}