LEA

BibTex

@article{EGKRT-2014,
  author={Englert, Matthias and Gupta, Anupam and Krauthgamer, Robert and R{\"a}cke, Harald and Talgam-Cohen, Inbal and Talwar, Kunal},
  title={Vertex Sparsifiers: New Results from Old Techniques},
  journal={SIAM Journal on Computing},
  volume={43},
  number={4},
  year={2014},
  month={Jul},
  pages={1239-1262}
}