@article{CMH_1975__50_139618,
     author = {Alfred Huber},
     title = {Konforme {Verheftung} von {Gebieten} mit beschr\"ankter {Randdrehung.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {179--186},
     publisher = {mathdoc},
     volume = {50},
     year = {1975},
     zbl = {0303.30010},
     url = {http://geodesic.mathdoc.fr/item/CMH_1975__50_139618/}
}