%0 Journal Article %A V. K. Beloshapka %T On holomorphic transformations of a~quadric %J Sbornik. Mathematics %D 1992 %P 189-205 %V 72 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1992_72_1_a10/ %G en %F SM_1992_72_1_a10