%0 Journal Article %A John Douglas Moore %A James H. White %T Normal Characteristic Forms: Conformal Invariance and Duality. %J Mathematische Zeitschrift %D 1978 %P 125-142 %V 164 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1978__164_172773/ %F MZ_1978__164_172773