@Misc{ 
  FerRosWir18,
  author = { Ferrari, Luca Alberto Davide and Rossmanith, Carolin and Wirth, Benedikt },
  title = { Phase field approximations of branched transportation problems },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3896/ },
  note = { cvgmt preprint}
}