%0 Journal Article %A Jun-Muk Hwang %T Nondeformability of the complex hyperquadric. %J Inventiones mathematicae %D 1995 %P 317-338 %V 120 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM_1995__120_2_144278/ %F IM_1995__120_2_144278