@Article{ 
  Bor17,
  author = { Borrelli, William },
  title = { Multiple solutions for a self-consistent Dirac equation in two dimensions },
  journal = { Journal of Mathematical Physics },
  year = { 2018 },
  doi = { 10.1063/1.5005998 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3587/ },
  note = { cvgmt preprint}
}