@article{MAN_1884__23_157116,
     author = {Voss},
     title = {Zur {Theorie} der algebraischen {Differentialgleichungen} erster {Ordnung} ersten {Grades}},
     journal = {Mathematische Annalen},
     pages = {157--180},
     publisher = {mathdoc},
     volume = {23},
     year = {1884},
     url = {http://geodesic.mathdoc.fr/item/MAN_1884__23_157116/}
}