@Article{ 
  DavWan20,
  author = { Davini, Andrea and Wang, Lin },
  title = { On the vanishing discount problem from the negative direction },
  journal = { Discrete Contin. Dyn. Syst. },
  year = { 2021 },
  volume = { 41 },
  number = { 5 },
  pages = { 2377–2389 },
  URL = { http://cvgmt.sns.it/paper/6129/ },
  note = { cvgmt preprint}
}