@article{MZM_1994_56_3_a9,
     author = {S. Yu. Sadov},
     title = {On a~dynamic system arising from a finite-dimensional approximation of the {Schr\"odinger} equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {118--133},
     publisher = {mathdoc},
     volume = {56},
     number = {3},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_3_a9/}
}