@Article{ 
  BraFraRuf17,
  author = { Brasco, Lorenzo and Franzina, Giovanni and Ruffini, Berardo },
  title = { Schrödinger operators with negative potentials and Lane-Emden densities },
  journal = { J. Funct. Anal. },
  year = { 2017 },
  pages = { 29 },
  URL = { http://cvgmt.sns.it/paper/3397/ },
  note = { cvgmt preprint}
}