@article{GDZPPN002314169,
title = {Units in the Modular Function Field. IV. The Siegel Functions are Generators.},
journal = {Mathematische Annalen},
volume = {229},
year = {1977},
pages = {223-242},
zbl = {0331.10012},
url = {http://dml.mathdoc.fr/item/GDZPPN002314169}
}
Lang, Serge; Kubert, Daniel S. Units in the Modular Function Field. IV. The Siegel Functions are Generators.. Mathematische Annalen, Tome 229 (1977) pp. 223-242. http://gdmltest.u-ga.fr/item/GDZPPN002314169/