MathSciDoc: An Archive for Mathematician ∫

@inproceedings{fritz1996the,
  title={The xi function},
  author={Fritz Gesztesy, and Barry Simon},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203326127589527},
  booktitle={Acta Mathematica},
  volume={176},
  number={1},
  pages={49-71},
  year={1996},
}