@book{11718,
	author = {Strang, Gilbert.},
	title = {Introduction to linear algebra },
	publisher = {Wellesley-Cambridge Press},
	year = {2009},
	address = {Wellesley, Mass. :},
	note = {Includes index.},
	url = {http://www.loc.gov/catdir/enhancements/fy0914/84052450-d.html}
}