@Misc{ 
  CirRon18,
  author = { Ciraolo, Giulio and Roncoroni, Alberto },
  title = { Serrin's type overdetermined problems in convex cones },
  journal = { Calculus of Variations and Partial Differential Equations },
  year = { 2020 },
  doi = { https://doi.org/10.1007/s00526-019-1678-x },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4869/ },
  note = { cvgmt preprint}
}