%0 Journal Article
%A Emanuele Paolini
%A Eugene Stepanov
%T Optimal transportation networks as flat chains
%J Interfaces and free boundaries
%D 2006
%P 393-436
%V 8
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4171/ifb/149/
%R 10.4171/ifb/149
%F 10_4171_ifb_149