@article{GDZPPN002370387, title = {\"Uber die hypergeometrischen Differentialsysteme}, journal = {Mathematische Zeitschrift}, volume = {28}, year = {1928}, pages = {504-518}, zbl = {54.0393.02}, url = {http://dml.mathdoc.fr/item/GDZPPN002370387} }
Schlesinger, L.,. Über die hypergeometrischen Differentialsysteme. Mathematische Zeitschrift, Tome 28 (1928) pp. 504-518. http://gdmltest.u-ga.fr/item/GDZPPN002370387/