@Article{ 
  CaFaMaSa9,
  author = { Castorina, Daniele and Fabbri, Isabella and Mancini, Gianni and Sandeep, Kunnath },
  title = { Hardy–Sobolev extremals, hyperbolic symmetry and scalar curvature equations },
  journal = { Journal of Differential Equations },
  year = { 2009 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3010/ },
  note = { cvgmt preprint}
}