@misc{indiciaec7bd55d22e40,
  title = {Generalized Pulse Modulated Feedback System - Norms, Gains, Lipschitz Constants, and Stability},
  author = {Blankenship, G. L. and Skoog, R. A.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19710003071},
  note = {Source identifier: 19710003071}
}