@article{Klan85,
  title = {Estimation of polynomial roots by continued fractions},
  author = {Petr Klán},
  year = {1985},
  url = {http://www.kybernetika.cz/content/1985/6/457},
  researchr = {https://researchr.org/publication/Klan85},
  cites = {0},
  citedby = {0},
  journal = {Kybernetika},
  volume = {21},
  number = {6},
  pages = {457-469},
}