@Misc{ 
  ButVel17,
  author = { Buttazzo, Giuseppe and Velichkov, Bozhidar },
  title = { A shape optimal control problem and its probabilistic counterpart },
  journal = { SIAM J. Math. Anal. },
  year = { 2017 },
  pages = { 16 },
  URL = { http://cvgmt.sns.it/paper/3403/ },
  note = { cvgmt preprint}
}