TY  - JOUR
AU  - V. M. Filippov
AU  - V. M. Savchin
AU  - S. A. Budochkina
TI  - On the existence of variational principles for differential--difference evolution equations
JO  - Informatics and Automation
PY  - 2013
SP  - 25
EP  - 39
VL  - 283
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_2013_283_a2/
LA  - ru
ID  - TRSPY_2013_283_a2
ER  -