@book{4204,
	author = {Lipschutz, Seymour. and Spellman, Dennis },
	title = {Schaum's outlines vector analysis :},
	publisher = {McGraw-Hill,},
	year = {c2009 [Reprinted 2013].},
	series = {Schaum's outline series.},
	address = {New York :},
	edition = {2nd ed.},
	note = {Includes index.}
}