@book{6244,
	author = {Hartley, B. and Hawkes, Trevor O.,},
	title = {Rings, modules and linear algebra :},
	publisher = {Chapman & Hall,},
	year = {c1970.},
	series = {Chapman and Hall mathematics series},
	address = {London :},
	note = {"Distributed in the U.S.A. by Barnes & Noble, inc."}
}