MathSciDoc: An Archive for Mathematician ∫

@inproceedings{amos1993a,
  title={A generalization of Birkhoff's pointwise ergodic theorem},
  author={Amos Nevo, and Elias M. Stein},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203323077718504},
  booktitle={Acta Mathematica},
  volume={173},
  number={1},
  pages={135-154},
  year={1993},
}