@misc{soberon-2017-helly-new-variations-survey,
  title = {{Helly’s Theorem: New Variations and Applications}},
  author = {Nina Amenta and Jesús A. De Loera and Pablo Soberón},
  year = {2017},
  eprint = {1508.07606},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1508.07606},
  note = {Algebraic and Geometric Methods in Discrete Mathematics, Contemporary Mathematics 685, American Mathematical Society, 55–95.}
}