@inproceedings{zhaohui2008regularity,
title={Regularity of solutions for spatially homogeneous Boltzmann equation without angular cutoff},
author={Zhaohui Huo, Yoshinori Morimoto, Seiji Ukai, and Tong Yang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210749431888500},
booktitle={Kinetic & Related Models},
volume={1},
number={3},
pages={453},
year={2008},
}
Zhaohui Huo, Yoshinori Morimoto, Seiji Ukai, and Tong Yang. Regularity of solutions for spatially homogeneous Boltzmann equation without angular cutoff. 2008. Vol. 1. In Kinetic & Related Models. pp.453. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210749431888500.