@Article{ 
  GriNarPan9,
  author = { Grimaldi, Renata and Nardulli, Stefano and Pansu, Pierre },
  title = { Semianalyticity of isoperimetric profiles },
  journal = { Differential Geometry and its Applications },
  year = { 2009 },
  doi = { 10.1016/j.difgeo.2008.10.022 },
  volume = { 27 },
  number = { 3 },
  pages = { 393-398 },
  URL = { http://cvgmt.sns.it/paper/4409/ },
  note = { cvgmt preprint}
}