%0 Journal Article %A V. L. Popov %T Contractions of the actions of reductive algebraic groups %J Sbornik. Mathematics %D 1987 %P 311-335 %V 58 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1987_58_2_a1/ %G en %F SM_1987_58_2_a1