@article{MAN_1894__44_157699,
     author = {L. Koenigsberger},
     title = {Ueber die vollst\"andigen {Integrale} partieller {Differentialgleichungssysteme}},
     journal = {Mathematische Annalen},
     pages = {17--40},
     publisher = {mathdoc},
     volume = {44},
     year = {1894},
     zbl = {25.0601.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1894__44_157699/}
}