@Article{ 
  Men11,
  author = { Mennucci, Andrea C. G. },
  title = {  Regularity and Variationality of Solutions to Hamilton-Jacobi Equations. Part II: Variationality, Existence, Uniqueness. },
  journal = { APPLIED MATHEMATICS AND OPTIMIZATION },
  year = { 2011 },
  doi = { 10.1007/s00245-010-9116-7 },
  volume = { 63 },
  pages = { 191-216 },
  URL = { http://cvgmt.sns.it/paper/2029/ },
  note = { cvgmt preprint}
}