@book{12396,
	author = {Haykin ,Simon},
	title = {Signals and systems},
	publisher = {John Wiley & Sons Publisher},
	year = {2011},
	address = {New Delhi},
	edition = {2nd},
	url = {https://libgen.is/book/index.php?md5=CB6721B86E10232D693C998D0B16ECDE}
}