1. Periodic Control - Theory and Application, The Sunahara Lecture;Bittanti,2000
2. Some critical issues concerning the state- representation of time-varying ARMA models;Bittanti;7th IFAC Symposium on Identification and System Parameter Estimation,1985
3. Periodic Control;Bittanti,1999
4. Periodic Control Systems;Bittanti,2002
5. Companion forms and cyclic matrices for discrete-time periodic systems;Bittanti,2002