@Misc{ 
  FerVel23a,
  author = { Ferreri, Lorenzo and Velichkov, Bozhidar },
  title = { Regularity for one-phase Bernoulli problems with discontinuous weights
  and applications },
  journal = {  },
  year = { 2023 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6207/ },
  note = { cvgmt preprint}
}