The initial value problem for high order linear differential systems. - Tommaso Cotroneo; Jan C. Willems (ECC, 1999)

Modelling the Behavior of Systems: Basic Concepts and Algorithms. - Tommaso Cotroneo; Jan C. Willems (System Modelling and Optimization, 1999)

The simulation problem for high order linear differential systems. - Tommaso Cotroneo; Jan C. Willems; Paolo Rapisarda (ECC, 2001)

The simulation problem for high order linear differential systems. - Tommaso Cotroneo; Jan C. Willems (Appl. Math. Comput., 2003)