%0 Journal Article
%A Davini, Cesare
%A Paroni, Roberto
%T External approximation of first order variational problems via $W^{-1, p}$ estimates
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2008
%P 802-824
%V 14
%N 4
%I EDP-Sciences
%U http://archive.numdam.org/articles/10.1051/cocv:2008011/
%R 10.1051/cocv:2008011
%G en
%F COCV_2008__14_4_802_0