TY - JOUR AU - V. A. Bezverkhnii TI - Boundary value problems for an equation of elliptic type in a~Hilbert space JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1977 VL - 32 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1977_32_5_a8/ LA - ru ID - RM_1977_32_5_a8 ER -