@misc{oguamalam2023minimum,
      title={Minimum regularized covariance trace estimator and outlier detection for functional data}, 
      author={Jeremy Oguamalam and Una Radojičić and Peter Filzmoser},
      year={2023},
      eprint={},
      url={https://doi.org/10.48550/arXiv.2307.13509},
      archivePrefix={arXiv},
      primaryClass={stat.ME}
}

@article{berrendero2020,
  title={On Mahalanobis Distance in Functional Settings.},
  author={Berrendero, Jos{\'e} R and Bueno-Larraz, Beatriz and Cuevas, Antonio},
  journal={J. Mach. Learn. Res.},
  volume={21},
  number={9},
  pages={1--33},
  year={2020}
}