@Article{ 
  BouFraSep12,
  author = { Bouchitté, Guy and Fragalà, Ilaria and Lucardesi, Ilaria and Seppecher, Pierre },
  title = { Optimal thin torsion rods and Cheeger sets },
  journal = { SIAM J. Math. Anal. },
  year = { 2012 },
  doi = { 10.1137/110828538 },
  volume = { 44 },
  number = { 1 },
  pages = { 483–512 },
  URL = { http://cvgmt.sns.it/paper/3998/ },
  note = { cvgmt preprint}
}