TY - JOUR AU - Grasselli, Osvaldo Maria AU - Longhi, Sauro AU - Tornambè, Antonio TI - Periodic systems largely system equivalent to periodic discrete-time processes JO - Kybernetika PY - 2001 SP - 1 EP - 20 VL - 37 IS - 1 UR - http://geodesic.mathdoc.fr/item/KYB_2001_37_1_a0/ LA - en ID - KYB_2001_37_1_a0 ER -