@Misc{ 
  Cit19a,
  author = { Cito, Simone },
  title = { Shape Optimization of Robin Eigenvalues },
  journal = {  },
  year = { 2019 },
  pages = { 179 },
  URL = { http://cvgmt.sns.it/paper/6300/ },
  note = { cvgmt preprint}
}