@Article{ 
  FigSer19,
  author = { Figalli, Alessio and Serra, Joaquim },
  title = { On stable solutions  for boundary reactions: a De Giorgi-type result in dimension 4+1 },
  journal = { Invent. Math. },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4347/ },
  note = { cvgmt preprint}
}