@inproceedings{STOC-2005-CheriyanV,
	author        = "Joseph Cheriyan and Adrian Vetta",
	booktitle     = "{Proceedings of the 37th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/1060590.1060616",
	isbn          = "1-58113-960-8",
	pages         = "167--175",
	publisher     = "{ACM}",
	title         = "{Approximation algorithms for network design with metric costs}",
	year          = 2005,
}