%0 Journal Article
%A Clason, Christian
%A Kunisch, Karl
%T A duality-based approach to elliptic control problems in non-reflexive Banach spaces
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2011
%P 243-266
%V 17
%N 1
%I EDP-Sciences
%U http://archive.numdam.org/articles/10.1051/cocv/2010003/
%R 10.1051/cocv/2010003
%G en
%F COCV_2011__17_1_243_0