%0 Journal Article %A Erik Lippa %T A Dirichlet Series Associated to Eisenstein Series of Degree Two. %J Mathematische Zeitschrift %D 1974 %P 5-8 %V 139 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1974__139_172104/ %F MZ_1974__139_172104