@inproceedings{liu2019mhd,
title={MHD Boundary Layers Theory in Sobolev Spaces Without Monotonicity I: Well-Posedness Theory},
author={Liu Cheng-jie, Xie Feng, and Yang Tong},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20190322085236088901220},
booktitle={Communications on Pure and Applied Mathematics},
volume={72},
number={1},
pages={0063–0121},
year={2019},
}

Liu Cheng-jie, Xie Feng, and Yang Tong. MHD Boundary Layers Theory in Sobolev Spaces Without Monotonicity I: Well-Posedness Theory. 2019. Vol. 72. In Communications on Pure and Applied Mathematics. pp.0063–0121. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20190322085236088901220.