TY - JOUR AU - G. V. Alekseev AU - A. V. Lobanov TI - Stability estimates for solutions to inverse extremal problems for the Helmholtz equation JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2013 SP - 14 EP - 25 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2013_16_2_a1/ LA - ru ID - SJIM_2013_16_2_a1 ER -