@Article{ 
  CapCor23,
  author = { Caponio, Erasmo and Corona, Dario },
  title = { A variational setting for an indefinite Lagrangian with an affine Noether charge },
  journal = { Calculus of Variations and Partial Differential Equations },
  year = { 2023 },
  doi = { 10.1007/s00526-022-02379-1 },
  volume = { 62 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6483/ },
  note = { cvgmt preprint}
}