%0 Journal Article %A Volle, M. %A Hiriart-Urruty, J.-B. %A Zălinescu, C. %T When some variational properties force convexity %J ESAIM: Control, Optimisation and Calculus of Variations %D 2013 %P 701-709 %V 19 %N 3 %I EDP-Sciences %U http://archive.numdam.org/articles/10.1051/cocv/2012029/ %R 10.1051/cocv/2012029 %G en %F COCV_2013__19_3_701_0