@Misc{ 
  Bar14,
  author = { Baroni, Paolo },
  title = { Riesz potential estimates for a general class of quasilinear equations },
  journal = { Calc. Var. Partial Differ. Equ. },
  year = { 2014 },
  doi = { 10.1007/s00526-014-0768-z },
  pages = {  },
  URL = { http://cvgmt.sns.it/paper/2447/ },
  note = { cvgmt preprint}
}