@article{etna_vol7_pp1-17,
  author  = {Zhaojun Bai and Qiang Ye},
  title   = {Error estimation of the Pad\'e approximation of transfer functions via the Lanczos process},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {7},
  year    = {1998},
  pages   = {1--17},
}