@Misc{ 
  BucFra20,
  author = { Bucur, Dorin and Fragalà, Ilaria },
  title = { Symmetry results for variational energies on convex polygons },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4796/ },
  note = { cvgmt preprint}
}