TY  - JOUR
AU  - V. V. Kozlov
TI  - Linear system of differential equations with a quadratic invariant as the Schr\"odinger equation
JO  - Doklady Rossijskoj akademii nauk. Matematika, informatika, processy upravleniâ
PY  - 2021
SP  - 48
EP  - 52
VL  - 496
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DANMA_2021_496_a9/
LA  - ru
ID  - DANMA_2021_496_a9
ER  -