@article{spectralestimationformixedcausal,
  title = {Spectral estimation for mixed causal-noncausal autoregressive models},
  author = {Alain Hecq and Daniel Velasquez-Gaviria},
  year = {2022},
  eprint = {2211.13830},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2211.13830v1},
}