1. Disturbance localization and output deadbeat control through an observer in discrete-time linear multivariable systems
2. Barbagli, F., Marro, G., Mercorelli, P., and Prattichizzo, D. 1998. Some results on output algebraic feedback with applications to mechanical systems. Proc. 37 th IEEE Conf. Decision Control (CDC 1998), Tampa, Florida, USA, 3545-3550.
3. Controlled and conditioned invariant subspaces in linear system theory
4. Self-bounded controlled invariant subspaces: A straightforward approach to constrained controllability
5. Basile, G., Marro, G., and Piazzi, A. 1986. Stability without eigenspaces in the geometric approach: some new results. In Frequency Domain and State Space Methods for Linear Systems, C. A. Byrnes and A. Lindquist (Eds). North-Holland (Elsevier), Amsterdam, pp.441-450.