@article{CMH_1936__9_138667,
     author = {P. Matthieu},
     title = {Die geometrische {Theorie} der rationalen {Transformation} der hypergeometrischen {Differentialgleichung.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {51--76},
     publisher = {mathdoc},
     volume = {9},
     year = {1936},
     zbl = {0015.06702},
     url = {http://geodesic.mathdoc.fr/item/CMH_1936__9_138667/}
}