%0 Journal Article %A Joram Lindenstrauss %A David Preiss %A Jaroslav Tišer %T Fréchet differentiability of Lipschitz functions via a variational principle %J Journal of the European Mathematical Society %D 2010 %P 385-412 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4171/jems/202/ %R 10.4171/jems/202 %F JEMS_2010_12_2_a4