@inproceedings{PPoPP-2012-MittalJGSK,
	author        = "Anshul Mittal and Nikhil Jain and Thomas George and Yogish Sabharwal and Sameer Kumar",
	booktitle     = "{Proceedings of the 17th Symposium on Principles and Practice of Parallel Programming}",
	doi           = "10.1145/2145816.2145872",
	isbn          = "978-1-4503-1160-1",
	pages         = "315--316",
	publisher     = "{ACM}",
	title         = "{Collective algorithms for sub-communicators}",
	year          = 2012,
}