@inproceedings{r.1987a,
title={A new iterative method in Waring's problem},
author={R. C. Vaughan},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203311803879426},
booktitle={Acta Mathematica},
volume={162},
number={1},
pages={1-71},
year={1987},
}