TY - JOUR AU - A. I. Prilepko TI - An exterior inverse problem of volume potential of variable density for a body which is close to a given one JO - Doklady Akademii Nauk PY - 1969 SP - 40 EP - 42 VL - 185 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1969_185_1_a9/ LA - ru ID - DAN_1969_185_1_a9 ER -