@article{MAN_1899__51_157912,
     author = {J. Horn},
     title = {Ueber eine {Differentialgleichung} erster {Ordnung}},
     journal = {Mathematische Annalen},
     pages = {196--226},
     publisher = {mathdoc},
     volume = {51},
     year = {1899},
     zbl = {29.0277.02},
     url = {http://geodesic.mathdoc.fr/item/MAN_1899__51_157912/}
}