@article{MAN_1913__73_158596, author = {W. Gro{\ss}}, title = {\"Uber {Differentialgleichungssysteme} erster {Ordnung,} deren {L\"osungen} sich integrallos darstellen lassen}, journal = {Mathematische Annalen}, pages = {109--172}, publisher = {mathdoc}, volume = {73}, year = {1913}, zbl = {43.0381.01}, url = {http://geodesic.mathdoc.fr/item/MAN_1913__73_158596/} }