@article{GDZPPN002106604, title = {Nonvanishing of L-functions for GL(2).}, journal = {Inventiones mathematicae}, volume = {96}, year = {1989}, pages = {381-404}, zbl = {0677.10020}, url = {http://dml.mathdoc.fr/item/GDZPPN002106604} }
Rohrlich, David E. Nonvanishing of L-functions for GL(2).. Inventiones mathematicae, Tome 96 (1989) pp. 381-404. http://gdmltest.u-ga.fr/item/GDZPPN002106604/