@book{42314,
	author = {Zill, Dennis G., and Wright, Warren S.},
	title = {Differential equations with boundary-value problems /},
	publisher = {Brooks/Cole, Cengage Learning,},
	year = {c2013.},
	address = {Boston, MA :},
	edition = {8th ed.},
	url = {http://www.loc.gov/catdir/enhancements/fy1303/2011944305-t.html}
}