@Article{ 
  brapia10,
  author = { Braides, Andrea and Piatnitski, Andrey },
  title = { Homogenization of surface and length energies for spin systems },
  journal = { J. Funct. Anal. },
  year = { 2013 },
  volume = { 264 },
  pages = { 1296-1328 },
  URL = { http://cvgmt.sns.it/paper/1204/ },
  note = { cvgmt preprint}
}