@article{MZM_2024_116_3_a6, author = {F. E. Lomovtsev and E. V. Ustilko}, title = {Mixed problem for the two-velocity wave equation with characteristic oblique derivative at the ednpoint of a semibounded string}, journal = {Matemati\v{c}eskie zametki}, pages = {411--429}, year = {2024}, volume = {116}, number = {3}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2024_116_3_a6/} }