@inproceedings{hailiang1997existence,
  title={Existence of the discrete travelling waves for a relaxing scheme},
  author={Hailiang Liu, Jinghua Wang, and Tong Yang},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211116711883557},
  booktitle={Applied Mathematics Letters},
  volume={10},
  number={3},
  pages={117-122},
  year={1997},
}
             
            
                
Hailiang Liu, Jinghua Wang, and Tong Yang. Existence of the discrete travelling waves for a relaxing scheme. 1997. Vol. 10. In Applied Mathematics Letters. pp.117-122. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224211116711883557.