@article{DAN_1980_255_5_a5,
     author = {O. A. Plaksina},
     title = {On some inverse boundary value problems for {Sturm{\textendash}Liouville} operators},
     journal = {Doklady Akademii Nauk},
     pages = {1051--1054},
     year = {1980},
     volume = {255},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_255_5_a5/}
}