%0 Journal Article %A V. L. Popov %T Classification of affine algebraic surfaces that are quasihomogeneous with respect to an algebraic group %J Izvestiya. Mathematics %D 1973 %P 1039-1055 %V 7 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_5_a3/ %G en %F IM2_1973_7_5_a3