@Article{ 
  col01,
  author = { Colombo, Fabrizio },
  title = { A quasilinear parabolic inverse problem in Holder spaces },
  journal = { Differential and Integral Equations },
  year = { 2001 },
  volume = { 14 },
  pages = { 1237-1258 },
  URL = { http://cvgmt.sns.it/paper/1459/ },
  note = { cvgmt preprint}
}