@Article{ 
  DeLSpaSpo15b,
  author = { De Lellis, Camillo and Spadaro, Emanuele and Spolaor, Luca },
  title = { Regularity theory for $2$-dimensional almost minimal currents II: branched center manifold },
  journal = { Ann. PDE },
  year = { 2017 },
  volume = { 2 },
  number = { 18 },
  pages = { 85 pp },
  URL = { http://cvgmt.sns.it/paper/2772/ },
  note = { cvgmt preprint}
}