@inproceedings{STOC-1996-BlumRV,
	author        = "Avrim Blum and R. Ravi and Santosh Vempala",
	booktitle     = "{Proceedings of the 28th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/237814.237992",
	isbn          = "0-89791-785-5",
	pages         = "442--448",
	publisher     = "{ACM}",
	title         = "{A Constant-factor Approximation Algorithm for the k MST Problem}",
	year          = 1996,
}