@article{SJVM_2003_6_4_a7,
     author = {V. G. Romanov},
     title = {On one approach to an inverse problem solution for a~hyperbolic equation},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {431--439},
     publisher = {mathdoc},
     volume = {6},
     number = {4},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2003_6_4_a7/}
}