@Article{ 
  alvbar,
  author = { Alvarez, Olivier and Bardi, Martino },
  title = { Ergodicity, stabilization, and singular perturbations for Bellman-Isaacs equations },
  journal = { Mem. Amer. Math. Soc. },
  year = { 2010 },
  volume = { 204 },
  pages = { 1-88 },
  URL = { http://cvgmt.sns.it/paper/1242/ },
  note = { cvgmt preprint}
}