@inproceedings{j.j.w.2019positivity,
title={Positivity preserving limiters for time-implicit higher order accurate discontinuous Galerkin discretizations},
author={J.J.W. van der Vegt, Yinhua Xia, and Yan Xu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20200814133544919094708},
booktitle={SIAM Journal on Scientific Computing},
volume={41},
number={3},
pages={A2037-A2063},
year={2019},
}
J.J.W. van der Vegt, Yinhua Xia, and Yan Xu. Positivity preserving limiters for time-implicit higher order accurate discontinuous Galerkin discretizations. 2019. Vol. 41. In SIAM Journal on Scientific Computing. pp.A2037-A2063. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20200814133544919094708.