@article{GDZPPN002341298,
title = {Small spanning sets of cusp forms.},
journal = {Mathematische Annalen},
volume = {302},
year = {1995},
pages = {629-652},
zbl = {0834.11020},
url = {http://dml.mathdoc.fr/item/GDZPPN002341298}
}
Hertling, Peter. Small spanning sets of cusp forms.. Mathematische Annalen, Tome 302 (1995) pp. 629-652. http://gdmltest.u-ga.fr/item/GDZPPN002341298/