@misc{indiciaedc58c6de4883,
  title = {Stability of multiple-loop feedback linear time-invariant systems.},
  author = {Desoer, C. A. and Wu, M. Y.},
  year = {1968},
  url = {https://ntrs.nasa.gov/citations/19680059541},
  note = {Source identifier: 19680059541}
}