@article{MAN_1979__240_163240,
     author = {Serge Lang and Daniel S. Kubert},
     title = {ndependence of {Modular} {Units} on {Tate} {Curves.}},
     journal = {Mathematische Annalen},
     pages = {191--202},
     publisher = {mathdoc},
     volume = {240},
     year = {1979},
     zbl = {0382.14008},
     url = {http://geodesic.mathdoc.fr/item/MAN_1979__240_163240/}
}