@Article{ 
  dal06a,
  author = { Dal Maso, Gianni },
  title = { Gamma-convergence and homogenization },
  journal = { Encyclopedia of Mathematical Physics, edited by Jean -Pierre Françcoise, Greg Naber, and Tsou Sheung Tsun. Elsevier, Oxford },
  year = { 2006 },
  pages = { 449-457 },
  URL = { http://cvgmt.sns.it/paper/1228/ },
  note = { cvgmt preprint}
}