@book{916,
	author = {Trench, William F.,},
	title = {Elementary differential equations with boundary value problems /},
	publisher = {Brooks/Cole-Thomson Learning,},
	year = {c2001.},
	address = {Pacific Grove, CA :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy1302/00065100-d.html}
}