TY - JOUR AU - A. Khaidarov TI - A class of inverse problems for elliptic equations JO - Differencialʹnye uravneniâ PY - 1987 SP - 1376 EP - 1383 VL - 23 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1987_23_8_a10/ LA - ru ID - DE_1987_23_8_a10 ER -