TY - JOUR AU - A. S. Savenkova TI - Multiplicative control in the scattering problem for the Helmholtz equation JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2007 SP - 128 EP - 139 VL - 10 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2007_10_1_a12/ LA - ru ID - SJIM_2007_10_1_a12 ER -