%0 Journal Article %A Joachim Wehler %T Hypersurfaces of the Flag Variety: Deformation theory and the Theorems of Kodaira-Spencer, Torelli, Lefschetz, M. Noether and Serre. %J Mathematische Zeitschrift %D 1988 %P 21-38 %V 198 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1988__198_3_173907/ %G en %F MZ_1988__198_3_173907