@Misc{ 
  Mic22,
  author = { Michetti, Marco },
  title = { Steklov-Dirichlet spectrum: stability, optimization and continuity of eigenvalues },
  journal = {  },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5448/ },
  note = { cvgmt preprint}
}