@article{GDZPPN002092972, title = {A Non-Vanishing Theorem for Zeta Functions of GLn}, journal = {Inventiones mathematicae}, volume = {34}, year = {1976}, pages = {1-16}, zbl = {0349.12006}, url = {http://dml.mathdoc.fr/item/GDZPPN002092972} }
Jacquet, H.; Shalika, J.A. A Non-Vanishing Theorem for Zeta Functions of GLn. Inventiones mathematicae, Tome 34 (1976) pp. 1-16. http://gdmltest.u-ga.fr/item/GDZPPN002092972/