@inproceedings{renjun2007navierstokes,
  title={NavierStokes equations with degenerate viscosity, vacuum and gravitational force},
  author={Renjun Duan, Tong Yang, and Changjiang Zhu},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211055270650550},
  booktitle={Mathematical methods in the applied sciences},
  volume={30},
  number={3},
  pages={347-374},
  year={2007},
}
             
            
                
Renjun Duan, Tong Yang, and Changjiang Zhu. NavierStokes equations with degenerate viscosity, vacuum and gravitational force. 2007. Vol. 30. In Mathematical methods in the applied sciences. pp.347-374. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211055270650550.