@article{DAN_1991_318_5_a16,
     author = {A. B. Khasanov},
     title = {The inverse scattering problem for a perturbed finite-gap {Sturm{\textendash}Liouville} operator},
     journal = {Doklady Akademii Nauk},
     pages = {1095--1098},
     year = {1991},
     volume = {318},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_318_5_a16/}
}