@inproceedings{radjesvarane2009regularity,
  title={Regularity of solutions for the Boltzmann equation without angular cutoff},
  author={Radjesvarane Alexandre, Yoshinore Morimoto, Seiji Ukai, Chao-Jiang Xu, and Tong Yang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211051945125549},
  booktitle={Comptes Rendus Mathematique},
  volume={347},
  pages={747-752},
  year={2009},
}
             
            
                
Radjesvarane Alexandre, Yoshinore Morimoto, Seiji Ukai, Chao-Jiang Xu, and Tong Yang. Regularity of solutions for the Boltzmann equation without angular cutoff. 2009. Vol. 347. In Comptes Rendus Mathematique. pp.747-752. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211051945125549.