@Misc{ 
  AlBrSoSt23,
  author = { Alicandro, Roberto and Braides, Andrea and Solci, Margherita and Stefani, Giorgio },
  title = { Topological singularities arising from fractional-gradient energies },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6213/ },
  note = { cvgmt preprint}
}