%0 Journal Article %A G. Akagi %A U. Stefanelli %T A Variational Principle for Gradient Flows of Nonconvex Energies %J Journal of convex analysis %D 2016 %P 53-75 %V 23 %N 1 %U http://geodesic.mathdoc.fr/item/JCA_2016_23_1_JCA_2016_23_1_a2/ %F JCA_2016_23_1_JCA_2016_23_1_a2