@inproceedings{DAC-1991-Hafer,
	author        = "Louis J. Hafer",
	booktitle     = "{Proceedings of the 28th Design Automation Conference}",
	doi           = "10.1145/127601.127614",
	isbn          = "0-89791395-7",
	pages         = "14--19",
	publisher     = "{ACM}",
	title         = "{Constraint improvements for MILP-based hardware synthesis}",
	year          = 1991,
}