Efficient Solution of Connectivity Problems on Hierarchically Defined Graphs

@article{Lengauer1988EfficientSO,
  title={Efficient Solution of Connectivity Problems on Hierarchically Defined Graphs},
  author={Thomas Lengauer and Egon Wanke},
  journal={SIAM J. Comput.},
  year={1988},
  volume={17},
  pages={1063-1080}
}