%0 Journal Article %A M. D. Bronshtein %T The analyticity of the solutions of elliptic equations that are degenerate on a~characteristic manifold %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1976 %V 31 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1976_31_3_a9/ %G ru %F RM_1976_31_3_a9