@Misc{ 
  FreRoy16,
  author = { Freddi, Francesco and Royer Carfagni, Gianni },
  title = { Phase-field slip-line theory of plasticity },
  journal = { Journal of the Mechanics and Physics of Solids },
  year = { 2016 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/3017/ },
  note = { cvgmt preprint}
}