@book{32131,
	author = {Papoulis, Athanasios and Pillai, S. Unnikrishna},
	title = {Probability, random variables, and stochastic processes /},
	publisher = {McGraw Hill Education,},
	year = {2002},
	address = {New Delhi :},
	edition = {4th ed.},
	note = {Includes bibliographical references and index.}
}