@Article{ 
  FerVer22,
  author = { Ferreri, Lorenzo and Verzini, Gianmaria },
  title = { Asymptotic properties of an optimal principal eigenvalue with spherical  weight and Dirichlet boundary conditions },
  journal = { Nonlinear Analysis },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6196/ },
  note = { cvgmt preprint}
}