@Article{ 
  BonOud18,
  author = { Bonafini, Mauro and Oudet, Edouard },
  title = { A convex approach to the Gilbert-Steiner problem },
  journal = { Interfaces and Free Boundaries },
  year = { 2020 },
  doi = { 10.4171/IFB/436 },
  volume = { 22 },
  number = { 2 },
  pages = { 131-155 },
  URL = { http://cvgmt.sns.it/paper/4068/ },
  note = { cvgmt preprint}
}