Periods of Connected Networks and Powers of Nonnegative Matrices

@article{Denardo1977PeriodsOC,
  title={Periods of Connected Networks and Powers of Nonnegative Matrices},
  author={Eric V. Denardo},
  journal={Math. Oper. Res.},
  year={1977},
  volume={2},
  pages={20-24}
}