@article{MZ_1928__28_168040,
     author = {L., Schlesinger},
     title = {\"Uber die hypergeometrischen {Differentialsysteme}},
     journal = {Mathematische Zeitschrift},
     pages = {504--518},
     publisher = {mathdoc},
     volume = {28},
     year = {1928},
     zbl = {54.0393.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1928__28_168040/}
}