@article{MAN_1927__97_182636,
     author = {E. Hecke},
     title = {Zur {Theorie} der elliptischen {Modulfunktionen}},
     journal = {Mathematische Annalen},
     pages = {210--242},
     publisher = {mathdoc},
     volume = {97},
     year = {1927},
     zbl = {52.0377.04},
     url = {http://geodesic.mathdoc.fr/item/MAN_1927__97_182636/}
}