@inproceedings{Hohenegger:2012Ey,
  author = "Hohenegger, Stefan",
  title = "{BPS saturated string amplitudes K3 elliptic genus and Igusa cusp form chi_{10}}",
  doi = "10.22323/1.155.0069",
  booktitle = "Proceedings of Proceedings of the Corfu Summer Institute 2011  {\textemdash} PoS(CORFU2011)",
  year = 2012,
  volume = "155",
  pages = "069"
}