%0 Journal Article %A Betz, Thomas %A Meyer, Christian %T Second-order sufficient optimality conditions for optimal control of static elastoplasticity with hardening %J ESAIM: Control, Optimisation and Calculus of Variations %D 2015 %P 271-300 %V 21 %N 1 %I EDP-Sciences %U http://www.numdam.org/articles/10.1051/cocv/2014024/ %R 10.1051/cocv/2014024 %G en %F COCV_2015__21_1_271_0