%0 Journal Article %A V. L. Popov %T Quasihomogeneous affine algebraic varieties of the group~$SL(2)$ %J Izvestiya. Mathematics %D 1973 %P 793-831 %V 7 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1973_7_4_a3/ %G en %F IM2_1973_7_4_a3