TY  - JOUR
AU  - V. A. Kovalev
AU  - Yu. N. Radayev
TI  - On a form of the first variation of the action integral over a varied domain
JO  - Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
PY  - 2014
SP  - 199
EP  - 209
VL  - 14
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/ISU_2014_14_2_a8/
LA  - ru
ID  - ISU_2014_14_2_a8
ER  -