TY - JOUR AU - V. G. Romanov AU - T.V. Bugueva TI - Inverse problem for wave equation with polynomial nonlinearity JO - Sibirskij žurnal industrialʹnoj matematiki PY - 2023 SP - 142 EP - 149 VL - 26 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SJIM_2023_26_1_a12/ LA - ru ID - SJIM_2023_26_1_a12 ER -