@Article{ 
  ansbabzep05,
  author = { Ansini, Nadia and Babadjian, Jean-François and Zeppieri, Caterina Ida },
  title = { The Neumann sieve problem and dimensional reduction: a multiscale approach },
  journal = { Math. Models Methods Appl. Sciences },
  year = { 2007 },
  volume = { 17 },
  number = { 5 },
  pages = { 681-735 },
  URL = { http://cvgmt.sns.it/paper/961/ },
  note = { cvgmt preprint}
}