@article{MAN_1880__17_156912,
     author = {in Leipzig. Klein},
     title = {Zur {Theorie} der elliptischen {Modulfunctionen}},
     journal = {Mathematische Annalen},
     pages = {62--70},
     publisher = {mathdoc},
     volume = {17},
     year = {1880},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1880__17_156912/}
}