@Misc{ 
  bencarpey09a,
  author = { Benmansour, Fethallah and Carlier, Guillaume and Peyré, Gabriel and Santambrogio, Filippo },
  title = { Derivatives with respect to metrics and applications: Subgradient Marching Algorithm },
  journal = { Numerische Mathematik },
  year = { 2010 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1061/ },
  note = { cvgmt preprint}
}