@article{MZ_1930__31_168171,
     author = {E. K\"ahler},
     title = {Zur {Theorie} der algebraischen {Funktionen} zweier {Ver\"anderlichen.} {I.}},
     journal = {Mathematische Zeitschrift},
     pages = {258--269},
     publisher = {mathdoc},
     volume = {31},
     year = {1930},
     zbl = {55.0805.03},
     url = {http://geodesic.mathdoc.fr/item/MZ_1930__31_168171/}
}