@misc{indiciae0b38f635e28a,
  title = {Liapunov functions for non-linear difference equation stability analysis.},
  author = {Park, K. E. and Kinnen, E.},
  year = {1972},
  url = {https://ntrs.nasa.gov/citations/19720049136},
  note = {Source identifier: 19720049136}
}