@inproceedings{renjun2008optimal,
title={Optimal decay estimates on the linearized Boltzmann equation with time dependent force and their applications},
author={Renjun Duan, Seiji Ukai, Tong Yang, and Huijiang Zhao},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210753030226501},
booktitle={Communications in Mathematical Physics},
volume={277},
number={1},
pages={189-236},
year={2008},
}

Renjun Duan, Seiji Ukai, Tong Yang, and Huijiang Zhao. Optimal decay estimates on the linearized Boltzmann equation with time dependent force and their applications. 2008. Vol. 277. In Communications in Mathematical Physics. pp.189-236. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210753030226501.