@Misc{ 
  LieMieSav15a,
  author = { Liero, Matthias and Mielke, Alexander and Savaré, Giuseppe },
  title = { Optimal Entropy-Transport problems and a new Hellinger-Kantorovich
  distance between positive measures },
  journal = {  },
  year = { 2015 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5044/ },
  note = { cvgmt preprint}
}