@Misc{ 
  AgoMaz15a,
  author = { Agostiniani, Virginia and Mazzieri, Lorenzo },
  title = { On the geometry of the level sets of bounded static potentials },
  journal = { arXiv:1504.04563 [math.AP] },
  year = { 2015 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/251/ },
  note = { cvgmt preprint}
}