%0 Journal Article %A Riccarda Rossi %A Giuseppe Savaré %A Antonio Segatti %A Ulisse Stefanelli %T A variational principle for gradient flows in metric spaces %J Comptes Rendus. Mathématique %D 2011 %P 1225-1228 %V 349 %N 23-24 %I Elsevier %R 10.1016/j.crma.2011.11.002 %G en %F CRMATH_2011__349_23-24_1225_0