@inproceedings{STOC-2010-DeyHK,
	author        = "Tamal K. Dey and Anil N. Hirani and Bala Krishnamoorthy",
	booktitle     = "{Proceedings of the 42nd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1806689.1806721",
	isbn          = "978-1-4503-0050-6",
	pages         = "221--230",
	publisher     = "{ACM}",
	title         = "{Optimal homologous cycles, total unimodularity, and linear programming}",
	year          = 2010,
}