@Article{ 
  colsabstr,
  author = { Colombo, Fabrizio and Sabadini, Irene and Struppa, Daniele },
  title = { An introduction to computational algebraic analysis },
  journal = { Milan Journal of Mathematics (Birkauser) },
  year = { 2003 },
  volume = { 71 },
  pages = { 283-318 },
  URL = { http://cvgmt.sns.it/paper/1059/ },
  note = { cvgmt preprint}
}