@article{MAN_1971__195_162232,
     author = {Klaus Menke},
     title = {Extremalpunkte  und konforme  {Abbildung.}},
     journal = {Mathematische Annalen},
     pages = {292--308},
     publisher = {mathdoc},
     volume = {195},
     year = {1971},
     zbl = {0215.12402},
     url = {http://geodesic.mathdoc.fr/item/MAN_1971__195_162232/}
}