@Misc{ 
  HydMar14,
  author = { Hyder, Ali and Martinazzi, Luca },
  title = { Conformal metrics on $R^{2m}$ with constant Q-curvature, prescribed
  volume and asymptotic behavior },
  journal = {  },
  year = { 2014 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2370/ },
  note = { cvgmt preprint}
}