@article{MM2_1974__12_154226,
     author = {Volker Eberhardt},
     title = {\"Uber einen {Graphensatz} f\"ur {Abbildungen} mit normiertem {Zielraum.}},
     journal = {Manuscripta mathematica},
     pages = {47--66},
     publisher = {mathdoc},
     volume = {12},
     year = {1974},
     zbl = {0275.46002},
     url = {http://geodesic.mathdoc.fr/item/MM2_1974__12_154226/}
}