@article{etna_vol44_pp73-82,
  author  = {Nicola Mastronardi and  Paul Van Dooren},
  title   = {Revisiting the stability of computing the roots of a quadratic polynomial},
  journal = {Electron. Trans. Numer. Anal.},
  volume  = {44},
  year    = {2015},
  pages   = {73--82},
}