@article{li2010randomWAW,
  title={Random walks on digraphs, the generalized digraph laplacian and the degree of asymmetry},
  author={Li, Yanhua and Zhang, Zhi-Li},
  journal={WAW'10: 7th Workshop on Algorithms and Models for the Web Graph},
  pages={74--85},
  year={2010},
  publisher={Springer}
}