@Article{ 
  BilGhiHei16,
  author = { Biliotti, Leonardo and Ghigi, Alessandro and Heinzner, Peter },
  title = { Invariant convex sets in polar representations },
  journal = { Israel J. Math. },
  year = { 2016 },
  doi = { 10.1007/s11856-016-1325-6 },
  volume = { 213 },
  number = { 1 },
  pages = { 423-441 },
  URL = { https://gecogedi.dimai.unifi.it/paper/18/ },
  note = { cvgmt preprint}
}