%0 Journal Article %A Francesco Maddalena %A Sergio Solimini %A Jean-Michel Morel %T A variational model of irrigation patterns %J Interfaces and free boundaries %D 2003 %P 391-416 %V 5 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4171/ifb/85/ %R 10.4171/ifb/85 %F 10_4171_ifb_85