@Misc{ 
  AmGiMoRa12,
  author = { Ambrosio, Luigi and Gigli, Nicola and Mondino, Andrea and Rajala, Tapio },
  title = { Riemannian Ricci curvature lower bounds in metric measure spaces with $\sigma$-finite measure },
  journal = { Transactions of  the AMS },
  year = { 2012 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1886/ },
  note = { cvgmt preprint}
}