TY - JOUR AU - V. V. Solov'ev TI - Inverse problems for elliptic equations on the plane: I JO - Differencialʹnye uravneniâ PY - 2006 SP - 1106 EP - 1114 VL - 42 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_2006_42_8_a10/ LA - ru ID - DE_2006_42_8_a10 ER -