%0 Journal Article
%A V. A. Kovalev
%A Yu. N. Radayev
%T On a form of the first variation of the action integral over a varied domain
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2014
%P 199-209
%V 14
%N 2
%U http://geodesic.mathdoc.fr/item/ISU_2014_14_2_a8/
%G ru
%F ISU_2014_14_2_a8