@Misc{ 
  figman10,
  author = { Figalli, Alessio and Mandorino, Vito },
  title = { Fine properties of minimizers of mechanical Lagrangians with Sobolev potentials },
  journal = { Discrete Contin. Dyn. Syst. Series A },
  year = { 2011 },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/1520/ },
  note = { cvgmt preprint}
}