@Article{ 
  BorCarTen19,
  author = { Borrelli, William and Carlone, Raffaele and Tentarelli, Lorenzo },
  title = { On the nonlinear Dirac equation on noncompact metric graphs },
  journal = { J. Differential Equations },
  year = { 2021 },
  doi = { 10.1016/j.jde.2021.01.005 },
  volume = { 278 },
  pages = { 326-357 },
  URL = { http://cvgmt.sns.it/paper/4553/ },
  note = { cvgmt preprint}
}