@article{achievinghighaccuracywithpinnsviaenergy,
  title = {Achieving High Accuracy with PINNs via Energy Natural Gradients},
  author = {Johannes Müller and Marius Zeinhofer},
  year = {2023},
  eprint = {2302.13163},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2302.13163v2},
}