%0 Journal Article
%A Don Zagier
%T Modular Forms Associated to Real Quadratic Fields.
%J Inventiones mathematicae
%D 1975
%P 1-46
%V 30
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM_1975__30_142343/
%F IM_1975__30_142343