@Article{ 
  barcesman09b,
  author = { Bardi, Martino and Cesaroni, Annalisa and Manca, Luigi },
  title = { Convergence by viscosity methods in multiscale financial models with stochastic volatility },
  journal = { SIAM J. Finan. Math. },
  year = { 2010 },
  volume = { 1 },
  pages = { 230-265 },
  URL = { http://cvgmt.sns.it/paper/1594/ },
  note = { cvgmt preprint}
}