@article{SJIM_2023_26_1_a12, author = {V. G. Romanov and T.V. Bugueva}, title = {Inverse problem for wave equation with polynomial nonlinearity}, journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki}, pages = {142--149}, publisher = {mathdoc}, volume = {26}, number = {1}, year = {2023}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/SJIM_2023_26_1_a12/} }