TY - JOUR AU - A. S. Barashkov TI - On the uniqueness of the solution of the problem of the determination of the coefficient of the Helmholtz equation JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 1988 SP - 10 EP - 14 IS - 9 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IVM_1988_9_a1/ LA - ru ID - IVM_1988_9_a1 ER -