@article{MZM_1994_56_4_a5,
     author = {I. M. Guseinov and I. M. Nabiev},
     title = {The reconstruction of a~differential operator by its spectrum},
     journal = {Matemati\v{c}eskie zametki},
     pages = {59--66},
     publisher = {mathdoc},
     volume = {56},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_4_a5/}
}