TY  - JOUR
AU  - A. M. Popov
TI  - Inverse Problem of the Calculus of Variations for Systems of Differential-Difference Equations of Second Order
JO  - Matematičeskie zametki
PY  - 2002
SP  - 745
EP  - 749
VL  - 72
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_2002_72_5_a13/
LA  - ru
ID  - MZM_2002_72_5_a13
ER  -