@Misc{ 
  Rio18,
  author = { Rios-Zertuche, Rodolfo },
  title = { Deformations of closed measures and variational characterization of
  measures invariant under the Euler-Lagrange flow },
  journal = {  },
  year = { 2018 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/4214/ },
  note = { cvgmt preprint}
}