TY - JOUR AU - D. K. Durdiev TI - Unknown coefficient problem for mixed equation of parabolic-hyperbolic type with non-local boundary conditions on characteristics JO - Ufa mathematical journal PY - 2024 SP - 81 EP - 88 VL - 16 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/UFA_2024_16_2_a6/ LA - en ID - UFA_2024_16_2_a6 ER -