@book{43022,
	author = {Logan, J. David},
	title = {An introduction to nonlinear partial differential equations /},
	publisher = {Wiley-Interscience,},
	year = {c2008},
	series = {Pure and applied mathematics},
	address = {Hoboken, N.J. :},
	edition = {2nd ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy0814/2007047514-t.html}
}