@Article{ 
  Gla18,
  author = { Glaudo, Federico },
  title = { On the c-concavity with Respect to the Quadratic Cost on a Manifold },
  journal = { Nonlinear Analysis },
  year = { 2018 },
  volume = { 178 },
  pages = { 145-151 },
  URL = { http://cvgmt.sns.it/paper/3750/ },
  note = { cvgmt preprint}
}