@Article{ 
  CarFocNic19,
  author = { Caroccia, Marco and Focardi, Matteo and Van Goethem, Nicolas },
  title = { On the integral representation of variational functionals on $BD$ },
  journal = { SIAM J. Math. Anal. },
  year = { 2020 },
  doi = { https://doi.org/10.1137/19M1277564 },
  volume = { 52 },
  number = { 4 },
  pages = { 4022–4067 },
  URL = { http://cvgmt.sns.it/paper/4404/ },
  note = { cvgmt preprint}
}