@book{12033,
	author = {O'Neil, Peter V.},
	title = {Beginning partial differential equations /},
	publisher = {Wiley-Interscience ,},
	year = {2008},
	series = {Pure and applied mathematics},
	address = {Hoboken, N.J. :},
	edition = {2nd ed},
	note = {Includes bibliographical references and index}
}