%0 Journal Article
%A Tuomo Valkonen
%T Optimal transportation networks and stations
%J Interfaces and free boundaries
%D 2009
%P 569-597
%V 11
%N 4
%U http://geodesic.mathdoc.fr/articles/10.4171/ifb/223/
%R 10.4171/ifb/223
%F 10_4171_ifb_223