TY - JOUR AU - D. K. Durdiev TI - Coefficient inverse problem for an equation of mixed parabolic-hyperbolic type with a non-characteristic line of type change JO - Izvestiâ vysših učebnyh zavedenij. Matematika PY - 2024 SP - 38 EP - 49 IS - 3 UR - http://geodesic.mathdoc.fr/item/IVM_2024_3_a2/ LA - ru ID - IVM_2024_3_a2 ER -