@article{VNGU_2016_16_1_a6,
     author = {R. R. Safiullova},
     title = {On a solvability of the nonlinear inverse problem for the hyperbolic equation},
     journal = {Sibirskij \v{z}urnal \v{c}istoj i prikladnoj matematiki},
     pages = {106--129},
     year = {2016},
     volume = {16},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VNGU_2016_16_1_a6/}
}