@Article{ 
  acqbri,
  author = { Acquistapace, Paolo and Briani, Ariela },
  title = { Gamma-convergence for infinite dimensional optimal control problems },
  journal = { "Evolution equations, Semigroups and Functional Analysis", Birkhauser. },
  year = { 2002 },
  volume = { 50 },
  pages = { 1-25 },
  URL = { http://cvgmt.sns.it/paper/509/ },
  note = { cvgmt preprint}
}