@misc{indiciaed444ceb65cee,
  title = {Stability margins for Hurwitz polynomials},
  author = {Chapellat, Herve and Bhattacharyya, S. P. and Keel, L. H.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19890041243},
  note = {Source identifier: 19890041243}
}