@Article{ 
  maurousan09,
  author = { Maury, Bertrand and Roudneff-Chupin, Aude and Santambrogio, Filippo },
  title = { A macroscopic crowd motion model of gradient flow type },
  journal = { M3AS },
  year = { 2010 },
  volume = { 20 },
  number = { 10 },
  pages = { 1787-1821 },
  URL = { http://cvgmt.sns.it/paper/269/ },
  note = { cvgmt preprint}
}