Oppenheim, Alan V., 1937- Signals and systems - Englewood Cliffs, N.J. : Prentice-Hall, 1983. - xix, 796 p. : il. ; 24 cm. - Prentice-Hall signal processing series . - Prentice-Hall signal processing series . Bibliografía: p. 777-782. ISBN: 0138111758 Subjects--Index Terms: System analysis. Signal theory. Universal Decimal Class. No.: 007.3