%0 Journal Article %A Cellina, Arrigo %T Strict convexity and the regularity of solutions to variational problems %J ESAIM: Control, Optimisation and Calculus of Variations %D 2016 %P 862-871 %V 22 %N 3 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2015034/ %R 10.1051/cocv/2015034 %G en %F COCV_2016__22_3_862_0