@Misc{ 
  ScaVan18a,
  author = { Scala, Riccardo and Van Goethem, Nicolas },
  title = { A variational approach to single crystals with dislocations },
  journal = { SIAM J. Math. Anal. },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4129/ },
  note = { cvgmt preprint}
}