@Article{ 
  TerTorVit17,
  author = { Terracini, Susanna and Tortone, Giorgio and Vita, Stefano },
  title = { On s-harmonic functions on cones },
  journal = { Analysis & PDE },
  year = { 2018 },
  doi = { 10.2140/apde.2018.11.1653 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6278/ },
  note = { cvgmt preprint}
}