@book{8124,
	author = {Lipschutz, Martin M.},
	title = {Schaum's outline of theory and problems of differential geometry /},
	publisher = {Tata McGraw-Hill Publishing Company Ltd.,},
	year = {c1969 [reprinted 2006].},
	series = {Schaum's outline series},
	address = {New Delhi :},
	note = {Spine title: Differential geometry.}
}