@Article{ 
  alicic07,
  author = { Alicandro, Roberto and Cicalese, Marco },
  title = { Variational analysis of the asymptotics of the $XY$ model },
  journal = { Archive Rational Mech. Anal. },
  year = { 2009 },
  volume = { 192 },
  number = { 3 },
  pages = { 501-536 },
  URL = { http://cvgmt.sns.it/paper/1238/ },
  note = { cvgmt preprint}
}