@Misc{ 
  BraLeDPad22,
  author = { Bravo-Doddoli, Alejandro and Le Donne, Enrico and Paddeu, Nicola },
  title = { Sympletic reduction of the sub-Riemannian geodesic flow for metabelian  nilpotent groups },
  journal = {  },
  year = { 2022 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/6216/ },
  note = { cvgmt preprint}
}