%0 Journal Article %A F. E. Lomovtsev %A E. V. Ustilko %T Mixed problem for the two-velocity wave equation with characteristic oblique derivative at the ednpoint of a semibounded string %J Matematičeskie zametki %D 2024 %P 411-429 %V 116 %N 3 %U http://geodesic.mathdoc.fr/item/MZM_2024_116_3_a6/ %G ru %F MZM_2024_116_3_a6