@Article{ 
  BorCarTen19a,
  author = { Borrelli, William and Carlone, Raffaele and Tentarelli, Lorenzo },
  title = { An overview on the standing waves of nonlinear Schrödinger and Dirac equations on metric graphs with localized nonlinearity },
  journal = { Symmetry },
  year = { 2019 },
  doi = { 10.3390/sym11020169 },
  volume = { 11 },
  number = { 2 },
  pages = { art. 169, 22pp },
  URL = { http://cvgmt.sns.it/paper/4602/ },
  note = { cvgmt preprint}
}