Osvaldo Maria Grasselli
- On the Derivation of a State-Space Model of a Periodic Process Described by Recurrent Equations. KYBERNETIKA 29 (1993) n.6, 617-627.
- Robust Continuous-Time Tracking and Regulation for Multirate Sampled-Data Systems. KYBERNETIKA 30 (1994) n.6, 725-743.
- On Obtaining the Time-Invariant Associated System of a Periodic System through System Equivalence. KYBERNETIKA 31 (1995) n.6, 649-655.
- Continuous-Time Input-Output Decoupling for Sampled-Data Systems. KYBERNETIKA 35 (1999) n.6, 721-735.
- Periodic Systems Largely System Equivalent to Periodic Discrete-Time Processes. KYBERNETIKA 37 (2001) n.1, 1-20.