@article{colaneri2006,
	author="P. Colaneri and A. Ferrante",
	title="Algebraic Riccati equation and J-spectral factorization for H_infinity filtering and deconvolution",
	journal="Siam Journal on Control and Optimization",
	year="2006",
	pages="123-145",
	volume="45 No. 1",
	issn="0363-0129"
}