TY - JOUR AU - M. Kh. Gizatullin TI - Affine surfaces which are quasihomogeneous with respect to an algebraic group JO - Izvestiya. Mathematics PY - 1971 SP - 754 EP - 769 VL - 5 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1971_5_4_a1/ LA - en ID - IM2_1971_5_4_a1 ER -