@misc{lichard2025subthreshold,
  title={Subthreshold poles in electron-positron annihilation. DD final states},
  author={Peter Lichard},
  year={2025},
  eprint={2505.18540},
  archivePrefix={arXiv},
  primaryClass={hep-ph},
  url={https://arxiv.org/abs/2505.18540}
}