MathSciDoc: An Archive for Mathematician ∫

@inproceedings{peter1984a,
  title={A variant of Hall's lemma and maximal functions on the unit$n$-sphere},
  author={Peter M. Knopf},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203521611896443},
  booktitle={Arkiv for Matematik},
  volume={24},
  number={1},
  pages={103-118},
  year={1984},
}