%0 Journal Article %A Goro Shimura %T Integer-valued quadratic forms and quadratic Diophantine equations. %J Documenta mathematica %D 2006 %P 333-367 %V 11 %U http://geodesic.mathdoc.fr/articles/10.4171/dm/213/ %R 10.4171/dm/213 %F 10_4171_dm_213