@inproceedings{STOC-2007-ChuzhoyK,
	author        = "Julia Chuzhoy and Sanjeev Khanna",
	booktitle     = "{Proceedings of the 39th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1250790.1250817",
	isbn          = "978-1-59593-631-8",
	pages         = "179--188",
	publisher     = "{ACM}",
	title         = "{Polynomial flow-cut gaps and hardness of directed cut problems}",
	year          = 2007,
}