@Article{ 
  ans02,
  author = { Ansini, Nadia },
  title = { The Nonlinear Sieve Problem and Applications to Thin Films  },
  journal = { Asymptotic Analysis },
  year = { 2004 },
  volume = { 39 },
  number = { 2 },
  pages = { 113-145 },
  URL = { http://cvgmt.sns.it/paper/1220/ },
  note = { cvgmt preprint}
}