@article{ramponi2009,
	author="F. Ramponi and A. Ferrante and M. Pavon",
	title="A Globally Convergent Matricial Algorithm for Multivariate Spectral Estimation",
	journal="IEEE Transactions on Automatic Control",
	year="2009",
	pages="2376-2388",
	volume="54",
	issn="0018-9286"
}