TY - JOUR AU - A. S. Blagoveshchenskii TI - The quasi-two-dimensional inverse problem for the wave equation JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1971 SP - 57 EP - 69 VL - 115 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TM_1971_115_a5/ LA - ru ID - TM_1971_115_a5 ER -