@book{1446,
	author = {Spiegel, Murray R.},
	title = {Schaum's outline of theory and problems of Fourier analysis :},
	publisher = {McGraw-Hill,},
	year = {1974.},
	address = {New York :},
	url = {https://books.google.com.pk/books?id=QFXke-O5nEAC&q=9780070602199&dq=9780070602199&hl=en&sa=X&redir_esc=y}
}