@inproceedings{KPS90,
  title = "On the optimal bisection of a polygon",
  author = "E. Koutsoupias and C. H. Papadimitriou and M. Sideri",
  year = "1990",
  address = "Berkeley, California",
  booktitle = "Proceedings of the Sixth Annual Symposium on Computational Geometry",
  month = "6--8 jun",
  pages = "198--202",
}