@article{owen1965,
  title={Handbook of Mathematical Functions with Formulas, Graphs, and Mathematical Tables},
  author={D. B. Owen and Milton Abramowitz and Irene A. Stegun},
  year={1965},
  journal={Technometrics},
  doi={10.2307/1266136},
  url={https://doi.org/10.2307/1266136}
}