@Article{ 
  CarPlu17,
  author = { Carioni, Marcello and Pluda, Alessandra },
  title = { Calibrations for minimal networks in a covering space setting },
  journal = { ESAIM Control Optim. Calc. Var. },
  year = { 2020 },
  doi = { 10.1051/cocv/2019024 },
  volume = { 26 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3355/ },
  note = { cvgmt preprint}
}