@article{MAN_1986__274_164108, author = {Gopal Prasad}, title = {On the }, journal = {Mathematische Annalen}, pages = {419--422}, publisher = {mathdoc}, volume = {274}, year = {1986}, zbl = {0576.12017}, url = {http://geodesic.mathdoc.fr/item/MAN_1986__274_164108/} }