@conference {BBB93,
	title = {Efficient Parallel Algorithm for Optimal Block Decomposition of Transfer Function Matrices for Decentralized Control of Large-Scale Systems},
	booktitle = {Proc. Conference on Decision and Control},
	year = {1993},
	keywords = {Hybrid and Embedded Control Systems, Nonlinear Control Systems},
	author = {A. Balluchi and A. Balestrino and A. Bicchi}
}
