@article{ferrante2011-1,
	author="A. Ferrante and F. Ramponi and F. Ticozzi",
	title="On the Convergence of an Efficient Algorithm for Kullback-Leibler Approximation of Spectral Densities",
	journal="IEEE Transactions on Automatic Control",
	year="2011",
	pages="506-515",
	volume="56",
	issn="0018-9286",
	note="doi   =   10.1109/TAC.2010.2057171"
}