An improved monotone finite volume scheme for diffusion equation on polygonal meshes

@article{Sheng2012AnIM,
  title={An improved monotone finite volume scheme for diffusion equation on polygonal meshes},
  author={Zhiqiang Sheng and Guangwei Yuan},
  journal={J. Comput. Physics},
  year={2012},
  volume={231},
  pages={3739-3754}
}