@Article{ 
  CicOrlRuf20,
  author = { Cicalese, Marco and Orlando, Gianluca and Ruf, Matthias },
  title = { Coarse graining and large-$N$ behavior of the $d$-dimensional $N$-clock  model },
  journal = { Interfaces and Free Boundaries },
  year = { 2021 },
  volume = { 23 },
  number = { 3 },
  pages = { 323-351 },
  URL = { http://cvgmt.sns.it/paper/4632/ },
  note = { cvgmt preprint}
}