@book{Feller1971,
	title = {An Introduction to Probability Theory and its
                 Applications},
	author = {W. Feller},
	publisher = {Wiley, New York},
	volume = {II},
	year = {1971},
	biburl = {http://www.bibsonomy.org/bibtex/25c30e8ceb5160dbc1eabf582563e5b9a/gilles.daniel},
	keywords = {imported }
}