@article{MAN_1935__111_159800,
     author = {J. Horn},
     title = {Hypergeometrische {Funktionen} zweier {Ver\"anderlichen.}},
     journal = {Mathematische Annalen},
     pages = {638--677},
     publisher = {mathdoc},
     volume = {111},
     year = {1935},
     zbl = {0012.30403},
     url = {http://geodesic.mathdoc.fr/item/MAN_1935__111_159800/}
}