@article{MZ_1935__39_168544,
     author = {E. Digel},
     title = {Zu einem {Beispiel} von {Nagumo} und {Fukuhara}},
     journal = {Mathematische Zeitschrift},
     pages = {157--160},
     publisher = {mathdoc},
     volume = {39},
     year = {1935},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MZ_1935__39_168544/}
}