TY - JOUR AU - V. L. Popov TI - Classification of three-dimensional affine algebraic varieties that are quasi-homogeneous with respect to an algebraic group JO - Izvestiya. Mathematics PY - 1975 SP - 535 EP - 576 VL - 9 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM2_1975_9_3_a5/ LA - en ID - IM2_1975_9_3_a5 ER -