@book{51869,
	author = {Feller, William,},
	title = {An introduction to probability theory and its applications /},
	publisher = {John Wiley & Sons},
	year = {c1968},
	address = {New York :},
	edition = {3rd ed.},
	note = {Vol. 2 has series: Wiley series in probability and mathematical statistics.}
}