TY - JOUR AU - A. Khaidarov TI - Stability estimates in inverse problems for hyperbolic equations JO - Matematičeskie zametki PY - 1991 SP - 114 EP - 119 VL - 49 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1991_49_1_a13/ LA - ru ID - MZM_1991_49_1_a13 ER -