%0 Journal Article
%A S. M. Natanzon
%T A~topological classification of a~pair of spinor forms on surfaces
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1992
%P 265-266
%V 47
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1992_47_1_a10/
%G en
%F RM_1992_47_1_a10