@book{9266,
	author = {Turnbull, H. W. and Aitken, A. C.,},
	title = {An Introduction to the theory of canonical matrices /},
	publisher = {Blackie & Son Limited,},
	year = {r1945},
	address = {London :},
	edition = {1a. ed.},
	note = {El libro es una copia fotostática}
}