@article{TM_1971_115_a3,
     author = {A. S. Blagoveshchenskii},
     title = {The local method of solution of the nonstationary inverse problem for an inhomogeneous string},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {28--38},
     year = {1971},
     volume = {115},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TM_1971_115_a3/}
}