%0 Journal Article
%A M. Kh. Gizatullin
%T Invariants of incomplete algebraic surfaces obtained by completions
%J Izvestiya. Mathematics 
%D 1971
%P 503-515
%V 5
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1971_5_3_a2/
%G en
%F IM2_1971_5_3_a2