@article{linespectrumrepresentationforvector,
  title = {Line Spectrum Representation for Vector Processes With Application to Frequency Estimation},
  author = {Bin Zhu},
  year = {2020},
  eprint = {2006.13599},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2006.13599v2},
}