Lyapunov-type inequality for higher order difference equations

@article{Liu2014LyapunovtypeIF,
  title={Lyapunov-type inequality for higher order difference equations},
  author={Xin-Ge Liu and Mei-Lan Tang},
  journal={Applied Mathematics and Computation},
  year={2014},
  volume={232},
  pages={666-669}
}