@article{MZ_1952__56_169271,
     author = {Friedhelm Erwe},
     title = {\"Uber die {Schlichtheitsschranken} gewisser {Funktionsfamilien.}},
     journal = {Mathematische Zeitschrift},
     pages = {57--64},
     publisher = {mathdoc},
     volume = {56},
     year = {1952},
     zbl = {0046.08701},
     url = {http://geodesic.mathdoc.fr/item/MZ_1952__56_169271/}
}