%0 Journal Article %A J.W. Cogdell %T Congruence Zeta Functions for M2 (Q) and Their Associated Modular Forms. %J Mathematische Annalen %D 1984 %P 141-198 %V 266 %I mathdoc %U http://geodesic.mathdoc.fr/item/MAN_1984__266_163846/ %F MAN_1984__266_163846