@Article{ 
  DeLSpa13c,
  author = { De Lellis, Camillo and Spadaro, Emanuele },
  title = { Multiple valued functions and integral currents },
  journal = { Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) },
  year = { 2015 },
  volume = { 14 },
  pages = { 1239–1269 },
  URL = { http://cvgmt.sns.it/paper/2183/ },
  note = { cvgmt preprint}
}