@Misc{ 
  HydMar18,
  author = { Hyder, Ali and Martinazzi, Luca },
  title = { Gluing metrics with prescribed $Q$-curvature and different asymptotic
  behaviour in dimension $6$ },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3952/ },
  note = { cvgmt preprint}
}