@Article{ 
  CoDeGaMa20,
  author = { Coclite, Giuseppe Maria and De Nitti, Nicola and Garavello, Mauro and Marcellini, Francesca },
  title = { Vanishing viscosity for a $2\times 2$ system modeling congested vehicular traffic },
  journal = { Networks and Heterogeneous Media },
  year = { 2021 },
  doi = { https://doi.org/10.3934/nhm.2021011 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4853/ },
  note = { cvgmt preprint}
}