@Article{ 
  FrIgMePöSc16,
  author = { Frigaard, Ian A. and Iglesias, José A. and Mercier, Gwenael and Pöschl, Christiane and Scherzer, Otmar },
  title = { Critical yield numbers of rigid particles settling in Bingham fluids and  Cheeger sets },
  journal = { SIAM Journal on Applied Mathematics },
  year = { 2017 },
  doi = { 10.1137/16M10889770 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6528/ },
  note = { cvgmt preprint}
}