@article{DE_1974_10_1_a19,
     author = {V. M. Isakov},
     title = {The uniqueness of the solution of certain inverse hyperbolic problems},
     journal = {Differencialʹnye uravneni\^a},
     pages = {165--167},
     publisher = {mathdoc},
     volume = {10},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1974_10_1_a19/}
}