@article{MAN_1891__38_157542,
     author = {Heinrich Burkhardt},
     title = {Untersuchungen aus dem {Gebiete} der hyperelliptischen {Modulfunctionen.} {Zweiter} {Theil}},
     journal = {Mathematische Annalen},
     pages = {161--224},
     publisher = {mathdoc},
     volume = {38},
     year = {1891},
     zbl = {23.0490.01},
     url = {http://geodesic.mathdoc.fr/item/MAN_1891__38_157542/}
}