Ludyk, G. (1981). Time-variant discrete-time systems. Vieweg.
Čikaški stil citiranjaLudyk, Gunter. Time-variant Discrete-time Systems. Braunschweig: Vieweg, 1981.
MLA način citiranjaLudyk, Gunter. Time-variant Discrete-time Systems. Vieweg, 1981.
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