%0 Journal Article %A A. I. Kozhanov %A S. E. Aitzhanov %A K. A. Zhalgassova %T Solvability of problems of recovering the external influence in the first order hyperbolic equations %J Matematičeskie zametki SVFU %D 2022 %P 42-56 %V 29 %N 3 %U http://geodesic.mathdoc.fr/item/SVFU_2022_29_3_a3/ %G ru %F SVFU_2022_29_3_a3