@Misc{ 
  DelPis19,
  author = { Della Pietra, Francesco and Piscitelli, Gianpaolo },
  title = { Saturation phenomena for some classes of nonlinear nonlocal eigenvalue
  problems },
  journal = {  },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5703/ },
  note = { cvgmt preprint}
}