@Misc{ 
  FloTak20,
  author = { Floridia, Giuseppe and Takase, Hiroshi },
  title = { Observability inequalities for degenerate transport equations },
  journal = {  },
  year = { 2020 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4779/ },
  note = { cvgmt preprint}
}