@article{MAN_1934__109_159699,
     author = {W. Magnus},
     title = {\"Uber {Automorphismen} von {Fundamentalgruppen} berandeter {Fl\"achen}},
     journal = {Mathematische Annalen},
     pages = {617},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {60.0091.01},
     language = {un},
     url = {https://geodesic-test.mathdoc.fr/item/MAN_1934__109_159699/}
}