@article{cj97-02,
  author={Viggo Kann and Sanjeev Khanna and Jens Lagergren and
         Alessandro Panconesi},
  title={On the Hardness of Approximating \protect\(\problem{Max
        \protect\(k\protect\)-Cut}\protect\) and Its Dual},
  journal={Chicago Journal of Theoretical Computer Science},
  volume={1997},
  number={2},
  publisher={MIT Press},
  month={June},
  year={1997}
}