@article{nonnegativematrixunderapproximationas,
  title = {Non-negative matrix underapproximation as optimal frequency band selector},
  author = {Mateusz Gabor and Rafal Zdunek and Radoslaw Zimroz and Agnieszka Wylomanska},
  year = {2024},
  eprint = {2403.12547},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2403.12547v1},
}