TY - JOUR AU - A. I. Kozhanov AU - S. E. Aitzhanov AU - K. A. Zhalgassova TI - Solvability of problems of recovering the external influence in the first order hyperbolic equations JO - Matematičeskie zametki SVFU PY - 2022 SP - 42 EP - 56 VL - 29 IS - 3 UR - http://geodesic.mathdoc.fr/item/SVFU_2022_29_3_a3/ LA - ru ID - SVFU_2022_29_3_a3 ER -