@Misc{ 
  NenPas22b,
  author = { Nenna, Luca and Pass, Brendan },
  title = { An ODE characterisation of multi-marginal optimal transport with pairwise cost functions },
  journal = {  },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/5846/ },
  note = { cvgmt preprint}
}