@article{machinelearningmomentclosuremodelsfor2,
  title = {Machine learning moment closure models for the radiative transfer equation III: enforcing hyperbolicity and physical characteristic speeds},
  author = {Juntao Huang and Yingda Cheng and Andrew J. Christlieb and Luke F. Roberts},
  year = {2021},
  eprint = {2109.00700},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.00700v1},
}