TY - JOUR AU - A. S. Barashkov AU - G. I. Barashkova TI - Determination of the coefficient of Helmholtz's equation from the boundary values of the solution JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1986 SP - 242 EP - 253 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_2_a7/ LA - ru ID - ZVMMF_1986_26_2_a7 ER -