@book{79550,
	author = {Rich, Barnett and Gutiérrez Diez, Luis},
	title = {Teoría y problemas de algebra elemental},
	publisher = { : McGraw-Hill},
	year = {, 1970},
	series = {Serie de Compendios Schaum},
	address = {México},
	note = {Incluye: índice (pp. 294-297)}
}