@article {81,
	title = {A decentralized controller-observer scheme for multi-agent weighted centroid tracking},
	journal = {IEEE Transactions on Automatic Control},
	volume = {58},
	year = {2013},
	pages = {1310{\textendash}1316},
	author = {Antonelli, Gianluca and Arrichiello, Filippo and Caccavale, Fabrizio and Marino, Alessandro}
}
