%0 Journal Article %A J. C. Bellido %A P. Pedregal %T Existence in Optimal Control with State Equation in Divergence Form via Variational Principles %J Journal of convex analysis %D 2003 %P 365-378 %V 10 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/JCA_2003_10_2_JCA_2003_10_2_a3/ %F JCA_2003_10_2_JCA_2003_10_2_a3