@inproceedings{jianqing1998direct,
title={Direct estimation of low-dimensional components in additive models},
author={Jianqing Fan, Wolfgang Hrdle, and Enno Mammen},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221113437020271838},
booktitle={The Annals of Statistics},
volume={26},
number={3},
pages={943-971},
year={1998},
}
Jianqing Fan, Wolfgang Hrdle, and Enno Mammen. Direct estimation of low-dimensional components in additive models. 1998. Vol. 26. In The Annals of Statistics. pp.943-971. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221113437020271838.