TY - JOUR AU - A. L. Bukhgeim AU - V. G. Yakhno TI - On two inverse problems for differential equations JO - Doklady Akademii Nauk PY - 1976 SP - 785 EP - 786 VL - 229 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1976_229_4_a0/ LA - ru ID - DAN_1976_229_4_a0 ER -