%0 Journal Article
%A Alessandrini, Giovanni
%A Nesi, Vincenzo
%T Univalent $\sigma $-harmonic mappings : applications to composites
%J ESAIM: Control, Optimisation and Calculus of Variations
%D 2002
%P 379-406
%V 7
%I EDP-Sciences
%U http://archive.numdam.org/articles/10.1051/cocv:2002060/
%R 10.1051/cocv:2002060
%G en
%F COCV_2002__7__379_0