%0 Journal Article %A Henryk Iwaniec %T On Waldspurger's theorem %J Acta Arithmetica %D 1987 %P 205-212 %V 49 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-49-2-205-212/ %R 10.4064/aa-49-2-205-212 %G de %F 10_4064_aa_49_2_205_212