@book{178,
	author = {Spiegel, Murray R.},
	title = {Complex variables /},
	publisher = {Tata McGraw-Hill,},
	year = {c2011-2012.},
	series = {Schaum's outline of complex variables},
	address = {New Delhi:},
	edition = {2nd ed.},
	note = {Includes index.}
}