%0 Journal Article %A I. F. Donin %T Construction of versal deformations for projective algebraic varieties %J Sbornik. Mathematics %D 1974 %P 17-30 %V 24 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1974_24_1_a1/ %G en %F SM_1974_24_1_a1