@Article{ 
  BorFra18,
  author = { Borrelli, William and Frank, Rupert L. },
  title = { Sharp decay estimates for critical Dirac equations },
  journal = { Trans. Amer. Math. Soc. },
  year = { 2020 },
  doi = { https://doi.org/10.1090/tran/7958 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4134/ },
  note = { cvgmt preprint}
}