@article{GDZPPN002197715,
title = {Dimensions of spaces of cusp forms over function fields.},
journal = {Journal f\"ur die reine und angewandte Mathematik},
volume = {316},
year = {1980},
pages = {73-103},
zbl = {0431.22015},
url = {http://dml.mathdoc.fr/item/GDZPPN002197715}
}
Harder, G.; Li, W.-C.W; Weisinger, J.R. Dimensions of spaces of cusp forms over function fields.. Journal für die reine und angewandte Mathematik, Tome 316 (1980) pp. 73-103. http://gdmltest.u-ga.fr/item/GDZPPN002197715/