TY - JOUR AU - V. L. Popov TI - Contractions of the actions of reductive algebraic groups JO - Sbornik. Mathematics PY - 1987 SP - 311 EP - 335 VL - 58 IS - 2 UR - http://geodesic.mathdoc.fr/item/SM_1987_58_2_a1/ LA - en ID - SM_1987_58_2_a1 ER -