Simple proofs of root locations of two symmetric linear prediction models

@article{Magi2008SimplePO,
  title={Simple proofs of root locations of two symmetric linear prediction models},
  author={Carlo Magi and Tomas B{\"a}ckstr{\"o}m and Paavo Alku},
  journal={Signal Processing},
  year={2008},
  volume={88},
  pages={1894-1897}
}