%0 Journal Article %A S. Yu. Sadov %T On a~dynamic system arising from a finite-dimensional approximation of the Schr\"odinger equation %J Matematičeskie zametki %D 1994 %P 118-133 %V 56 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_1994_56_3_a9/ %G ru %F MZM_1994_56_3_a9