@Misc{ 
  BonMar19,
  author = { Bonicatto, Paolo and Marconi, Elio },
  title = { Regularity estimates for the flow of BV autonomous divergence free vector fields in $\mathbb{R}^2$ },
  journal = { Comm. in Partial Diff. Equations },
  year = { 2019 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4488/ },
  note = { cvgmt preprint}
}