@Article{ 
  DeLInaSz\15,
  author = { De Lellis, Camillo and Inauen, Dominik and Székelyhidi, László Jr. },
  title = { A Nash-Kuiper theorem for $C^{1,\frac{1}{5}-\delta}$ immersions of surfaces in $3$ dimensions },
  journal = { Revista matemática Iberoamericana },
  year = { 2018 },
  volume = { 34 },
  number = { 3 },
  pages = { 1119-1152 },
  URL = { http://cvgmt.sns.it/paper/2810/ },
  note = { cvgmt preprint}
}