1. On completely additive vectorial functions”;Liapunov,1940
2. Processi di controllo lineari in ℝn;Conti,1985
3. On Reachability of constrained discrete time linear linear systems”;De Santis,1990
4. General closed loop optimal solutions for linear dynamic systems with linear constraints and functional”;d’Alessandro,1993
5. Positiveness of Dynamic Systems with Non Positive Coefficient Matrices”;d’Alessandro,1993