%0 Journal Article
%A N. Sagara
%T Optimality Conditions for Nonconvex Variational Problems with Integral Constraints in Banach Spaces
%J Journal of convex analysis
%D 2020
%P 565-581
%V 27
%N 2
%U http://geodesic.mathdoc.fr/item/JCA_2020_27_2_JCA_2020_27_2_a8/
%F JCA_2020_27_2_JCA_2020_27_2_a8