TY  - JOUR
AU  - G. Carlier
TI  - A Necessary and Sufficient Optimality Condition for a Class of Nonconvex Scalar Variational Problems
JO  - Journal of convex analysis
PY  - 2004
SP  - 401
EP  - 411
VL  - 11
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/JCA_2004_11_2_JCA_2004_11_2_a8/
ID  - JCA_2004_11_2_JCA_2004_11_2_a8
ER  -