@article{MAN_1870__2_156440,
     author = {Radau},
     title = {Ueber gewisse {Eigenschaften} der {Differentialgleichungen} der {Dynamik}},
     journal = {Mathematische Annalen},
     pages = {167--181},
     publisher = {mathdoc},
     volume = {2},
     year = {1870},
     zbl = {02.0703.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1870__2_156440/}
}