An improved grey dynamic GM(2, 1) model

@article{Li2010AnIG,
  title={An improved grey dynamic GM(2, 1) model},
  author={Guodong Li and Shiro Masuda and Daisuke Yamaguchi and Masatake Nagai and Chen-Hong Wang},
  journal={Int. J. Comput. Math.},
  year={2010},
  volume={87},
  pages={1617-1629}
}