@Misc{ 
  A.HaJaLe15,
  author = { A. Rod Gover,  and Hassannezhad, Asma and Jakobson, Dmitry and Levitin, Michael },
  title = { Zero and negative eigenvalues of the conformal Laplacian },
  journal = {  },
  year = { 2015 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4932/ },
  note = { cvgmt preprint}
}