TY - JOUR AU - M. V. Klibanov TI - A two-dimensional inverse problem for an elliptic equation JO - Differencialʹnye uravneniâ PY - 1983 SP - 1072 EP - 1074 VL - 19 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1983_19_6_a18/ LA - ru ID - DE_1983_19_6_a18 ER -