@inproceedings{STOC-2002-ChekuriK,
	author        = "Chandra Chekuri and Sanjeev Khanna",
	booktitle     = "{Proceedings of the 34th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/509907.509954",
	isbn          = "1-58113-495-9",
	pages         = "297--305",
	publisher     = "{ACM}",
	title         = "{Approximation schemes for preemptive weighted flow time}",
	year          = 2002,
}