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2. MULTIVARIABLE DISCRETE CONTROL SYSTEMS;Katkovnik,1966
3. Closed-loop stability of discrete linear single-variable systems;Kučera;KYBERNETIKA,1974
4. Algebraic approach to discrete linear control;Kučera;IEEE TRANS. AUTOMATIC CONTROL,1975
5. ALGEBRAIC THEORY OF DISCRETE OPTIMAL CONTROL FOR MULTIVARIABLE SYSTEMS;Kučera,1974