@inproceedings{colaneri2001,
	author="P. Colaneri and A. Ferrante",
	title="H_infinity estimation problems in discrete-time via J-spectral factorization",
	booktitle="Proceedings of the 40th IEEE Conference on Decision and Control - CDC 01",
	year="2001",
	month="December",
	pages="3500-3505"
}