@article{DAN_1994_334_4_a4,
     author = {L. A. Zhornitskaya and V. S. Serov},
     title = {On a uniqueness theorem for the {Sturm{\textendash}Liouville} operator on an},
     journal = {Doklady Akademii Nauk},
     pages = {424--426},
     year = {1994},
     volume = {334},
     number = {4},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_334_4_a4/}
}