TY - JOUR AU - A. D. Iskenderov TI - An inverse problem on the determination of the coefficients of an elliptic equation JO - Differencialʹnye uravneniâ PY - 1979 SP - 858 EP - 867 VL - 15 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1979_15_5_a9/ LA - ru ID - DE_1979_15_5_a9 ER -