@article{MAN_1934__109_159704,
     author = {A. Noack},
     title = {Die einseitige {Lagerung} orientierbarer {Fl\"achen}},
     journal = {Mathematische Annalen},
     pages = {681--684},
     publisher = {mathdoc},
     volume = {109},
     year = {1934},
     zbl = {60.0517.03},
     url = {http://geodesic.mathdoc.fr/item/MAN_1934__109_159704/}
}