OPPENHEIM ,ALAN V. (1997). SIGNALS & SYSTEMS: 2ND ED. PHI.
Chicago-čujuhus (17. p.)OPPENHEIM ,ALAN V. SIGNALS & SYSTEMS: 2ND ED. NEW DELHI: PHI, 1997.
MLA-čujuhus (9. p.)OPPENHEIM ,ALAN V. SIGNALS & SYSTEMS: 2ND ED. PHI, 1997.
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