@Article{ 
  collor00a,
  author = { Colombo, Fabrizio and Lorenzi, Alfredo },
  title = { An identification problem related to a parabolic integrodifferential equation with non commuting spatial operators },
  journal = { Journal of Inverse and Ill-Posed Problems },
  year = { 2000 },
  volume = { 8 },
  pages = { 505-540 },
  URL = { http://cvgmt.sns.it/paper/693/ },
  note = { cvgmt preprint}
}