@Article{ 
  ChDaBuSaMo14,
  author = { Buttazzo, Giuseppe and Chen, Alex and Darbon, Jérôme and Morel, Jean-Michel and Santambrogio, Filippo },
  title = { On the equations of landscape formation },
  journal = { Interfaces Free Bound. },
  year = { 2014 },
  doi = { 10.4171/IFB/315 },
  volume = { 16 },
  number = { 1 },
  pages = { 105-136 },
  URL = { http://cvgmt.sns.it/paper/3602/ },
  note = { cvgmt preprint}
}