@Article{ 
  Lus14a,
  author = { Lussardi, Luca },
  title = { On a Poisson's equation arising from magnetism },
  journal = { Discrete Contin. Dyn. Syst. Ser. S },
  year = { 2015 },
  volume = { 8 },
  number = { 4 },
  pages = { 769-772 },
  URL = { http://cvgmt.sns.it/paper/2534/ },
  note = { cvgmt preprint}
}