@Misc{ 
  CesNov23,
  author = { Cesaroni, Annalisa and Novaga, Matteo },
  title = { Minimal periodic foams with equal cells },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5912/ },
  note = { cvgmt preprint}
}