TY - JOUR AU - M. D. Bronshtein TI - The analyticity of the solutions of elliptic equations that are degenerate on a~characteristic manifold JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1976 VL - 31 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1976_31_3_a9/ LA - ru ID - RM_1976_31_3_a9 ER -