@Article{ 
  CicOrlRuf21,
  author = { Cicalese, Marco and Orlando, Gianluca and Ruf, Matthias },
  title = { A classical $\mathbb{S}^2$ spin system with discrete out-of-plane anisotropy: variational analysis  at surface and vortex scalings },
  journal = { Nonlinear Analysis },
  year = { 2023 },
  volume = { 231 },
  pages = { 33 },
  URL = { http://cvgmt.sns.it/paper/5390/ },
  note = { cvgmt preprint}
}