@book{34,
	author = {Oppenheim, Alan V  and  Schafer, Ronald W},
	title = {Discrete- Time Signal Processing},
	publisher = {Pearson Education},
	year = {2016,c2013},
	address = { New Delhi},
	edition = {3rd},
	note = {The definitive, authoritative text on DSP — ideal for those with an introductory-level knowledge of signals and systems. Written by prominent DSP pioneers, it provides thorough treatment of the fundamental theorems and properties of discrete-time linear systems, filtering, sampling, and discrete-time Fourier Analysis. By focusing on the general and universal concepts in discrete-time signal processing, it remains vital and relevant to the new challenges arising in the field.}
}