%0 Journal Article %A Larry J. Gerstein %T Orthogonal Decomposition of Modular Quadratic Forms. %J Inventiones mathematicae %D 1972 %P 21-30 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1972__17_142155/ %F IM_1972__17_142155