@Article{ 
  DiCPal12,
  author = { Di Castro, Agnese and Palatucci, Giampiero },
  title = { Fractional regularity for nonlinear elliptic problems with measure data },
  journal = { J. Convex Anal. },
  year = { 2013 },
  volume = { 20 },
  number = { 4 },
  pages = { 901-918 },
  URL = { http://cvgmt.sns.it/paper/1850/ },
  note = { cvgmt preprint}
}