@article{01139214, title = {On the cuspidal divisor class group of a Drinfeld modular curve.}, journal = {Documenta Mathematica}, volume = {2}, year = {1997}, pages = {351-374}, zbl = {0895.11024}, language = {en}, url = {http://dml.mathdoc.fr/item/01139214} }
Gekeler, Ernst-Ulrich. On the cuspidal divisor class group of a Drinfeld modular curve.. Documenta Mathematica, Tome 2 (1997) pp. 351-374. http://gdmltest.u-ga.fr/item/01139214/