@misc{indiciae0b213a80e788,
  title = {Necessary and sufficient conditions for stability for n-input, n-output convolution feedback systems with a finite number of unstable poles.},
  author = {Callier, F. M. and Desoer, C. A.},
  year = {1973},
  url = {https://ntrs.nasa.gov/citations/19730045707},
  note = {Source identifier: 19730045707}
}