@Article{ 
  BraSol13,
  author = { Brancolini, Alessio and Solimini, Sergio },
  title = { Fractal regularity results on optimal irrigation patterns },
  journal = { J. Math. Pures Appl. },
  year = { 2014 },
  doi = { 10.1016/j.matpur.2014.02.008 },
  volume = { 102 },
  pages = { 854-890 },
  URL = { http://cvgmt.sns.it/paper/2133/ },
  note = { cvgmt preprint}
}