@article{knownoperatorlearningandhybridmachine,
  title = {Known Operator Learning and Hybrid Machine Learning in Medical Imaging --- A Review of the Past, the Present, and the Future},
  author = {Andreas Maier and Harald Köstler and Marco Heisig and Patrick Krauss and Seung Hee Yang},
  year = {2021},
  eprint = {2108.04543},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2108.04543v1},
}