@book{4640,
	author = {Spiegel, Murray R.},
	title = {Schaum's outlines : complex variables : with an introduction to conformal mapping and its applications /},
	publisher = {McGraw-Hill,},
	year = {c2009.},
	series = {Schaum's outline series},
	address = {New York :},
	edition = {2nd ed.},
	note = {Includes index.}
}