@Article{ 
  boubutfra97,
  author = { Bouchitté, Guy and Buttazzo, Giuseppe and Fragalà, Ilaria },
  title = { Mean Curvature of a Measure and Related Variational Problems },
  journal = { Ann. Scuola Norm. Sup. Cl. Sci. },
  year = { 1997 },
  volume = { XXV },
  number = { 4 },
  pages = { 179-196 },
  URL = { http://cvgmt.sns.it/paper/536/ },
  note = { cvgmt preprint}
}