TY - JOUR AU - S. Yu. Sadov TI - On a~dynamic system arising from a finite-dimensional approximation of the Schr\"odinger equation JO - Matematičeskie zametki PY - 1994 SP - 118 EP - 133 VL - 56 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_1994_56_3_a9/ LA - ru ID - MZM_1994_56_3_a9 ER -