TY - JOUR AU - S. B. Sorokin TI - Direct method for solving the inverse coefficient problem JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2021 SP - 134 EP - 147 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2021_24_2_a10/ LA - ru ID - SJIM_2021_24_2_a10 ER -