@inproceedings{ming-yen2000skewing,
title={Skewing methods for two-parameter locally parametric density estimation},
author={Ming-Yen Cheng, Edwin Choi, Jianqing Fan, and Peter Hall},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221114136789608954},
booktitle={Bernoulli},
volume={6},
number={1},
pages={169-182},
year={2000},
}

Ming-Yen Cheng, Edwin Choi, Jianqing Fan, and Peter Hall. Skewing methods for two-parameter locally parametric density estimation. 2000. Vol. 6. In Bernoulli. pp.169-182. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221114136789608954.