%0 Journal Article
%A Yu. F. Pastukhov
%T Necessary conditions in the~inverse variational problem
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2001
%P 285-288
%V 7
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2001_7_1_a18/
%G ru
%F FPM_2001_7_1_a18