@article{MAN_1959__137_160691,
     author = {F. Sommer},
     title = {Komplex-analytische {Bl\"atterung} reeller {Hyperfl\"achen} im {Cn.}},
     journal = {Mathematische Annalen},
     pages = {392--411},
     publisher = {mathdoc},
     volume = {137},
     year = {1959},
     zbl = {0092.29903},
     url = {http://geodesic.mathdoc.fr/item/MAN_1959__137_160691/}
}