@inproceedings{ramponi2008,
	author="F. Ramponi and A. Ferrante and M. Pavon",
	title="Multivariate spectrum approximation in the Hellinger distance",
	booktitle="Proceedings of the 18th International Symposium on Mathematical Theory of Networks and Systems - MTNS 08",
	year="2008",
	month="July",
	location="Virginia Tech Blacksburg VA USA"
}