@article{JRAM_1900__122_149099,
     author = {Georg Wallenberg},
     title = {Zur {Theorie} der algebraischen {Differentialgleichungen} erster {Ordnung.}},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {155--163},
     publisher = {mathdoc},
     volume = {122},
     year = {1900},
     zbl = {31.0343.01},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1900__122_149099/}
}