@article{wshapedimpliedvolatilitycurvesina,
  title = {W-shaped implied volatility curves in a variance-gamma mixture model},
  author = {Martin Keller-Ressel},
  year = {2022},
  eprint = {2209.14726},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2209.14726v1},
}