@Article{ 
  Cav13a,
  author = { Cavalletti, Fabio },
  title = { Monge problem in metric measure spaces with Riemannian Curvature-Dimension condition },
  journal = { Nonlinear Analysis },
  year = { 2013 },
  doi = { 10.1016/j.na.2013.12.008 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2258/ },
  note = { cvgmt preprint}
}