@misc{zotto2023heterotic,
  title={6D Heterotic Little String Theories and F-theory Geometry: An Introduction},
  author={Michele Del Zotto and Muyang Liu and Paul-Konstantin Oehlmann},
  year={2023},
  eprint={2303.13502},
  archivePrefix={arXiv},
  primaryClass={hep-th},
  url={https://arxiv.org/abs/2303.13502}
}