%0 Journal Article %A M. Kh. Gizatullin %T On affine surfaces that can be completed by a nonsingular rational %J Izvestiya. Mathematics %D 1970 %P 787-810 %V 4 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/IM2_1970_4_4_a5/ %G en %F IM2_1970_4_4_a5