00769nam a22002417a 450000100060000000300090000600500170001500800410003202000180007302000150009104000280010608200210013410000240015524500660017925000120024526000560025730000460031350400640035965000200042365000270044365000350047070000220050519971BD-DhUAP20210119141146.0200309r20131997ii a     b    001 0 eng d  a9788120312463  a8120312465  aDLCcDLCdBD-DhUAPbEng00223a621.3822 OPP  aOppenheim, Alan V. 10aSignals and systems /cAlan V. Oppenheim and Alan S. Willsky.  a2nd ed.  aNew Delhi :bPHI learning,cc1997 [Reprinted 2013].  axxx, 957 pages :billustrations ;c25 cm.  aIncludes bibliographical references (p. 519-520) and index.  aSystem analysis  aDiscrete-time systems.  aDigital filters (Mathematics).  aWillsky, Alan S.