%0 Journal Article
%A Raitums, Uldis
%T Relaxation of quasilinear elliptic systems via A-quasiconvex envelopes
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2002
%P 309-334
%V 7
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/cocv:2002014/
%R 10.1051/cocv:2002014
%G en
%F COCV_2002__7__309_0