@book{24158,
	author = {Murray R. Spiegel},
	title = {Schaum's outline of theory and problems of vector analysis and an introduction to tensor analysis},
	publisher = {McGraw-Hill,},
	year = {[2002?], c1959.},
	series = {Schaum's outline series},
	address = {New York :},
	url = {http://www.loc.gov/catdir/enhancements/fy0739/2002282198-b.html}
}