@book{5760,
	author = {O'Meara, O. T.},
	title = {Introduction to quadratic forms},
	publisher = {Springer-Verlag,},
	year = {1971.},
	series = {Die Grundlehren der mathematischen Wissenschaften in Einzeldarstellungen,},
	address = {Berlin,},
	edition = {2d printing, corrected.}
}