@Article{ 
  HirStuVal17,
  author = { Hirsch, Jonas and Stuvard, Salvatore and Valtorta, Daniele },
  title = { Rectifiability of the singular set of multiple valued energy minimizing  harmonic maps },
  journal = { Trans. Amer. Math. Soc. },
  year = { 2019 },
  doi = { 10.1090/tran/7595 },
  volume = { 371 },
  number = { 6 },
  pages = { 4303-4352 },
  URL = { http://cvgmt.sns.it/paper/3543/ },
  note = { cvgmt preprint}
}