@Misc{ 
  BabFra20,
  author = { Babadjian, Jean-François and Francfort, Gilles A. },
  title = { Continuity equation and characteristic flow for scalar Hencky plasticity },
  journal = { Comm. Pure Appl. Math. },
  year = { 2021 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4670/ },
  note = { cvgmt preprint}
}