@Article{ 
  dep03,
  author = { De Pascale, Luigi },
  title = { On a constrained shape optimization problem },
  journal = { Communications in Applied Analysis  },
  year = { 2003 },
  volume = { 7 },
  number = { 4 },
  pages = { 485-498 },
  URL = { http://cvgmt.sns.it/paper/283/ },
  note = { cvgmt preprint}
}