@book{10165,
	author = {National Council of Teachers of Mathematics (E.U.) and Riera, Emilio Lluis,},
	title = {Lógica/},
	publisher = {Trillas },
	year = {1980.},
	series = {Temas de matemáticas ;},
	address = {México },
	note = {Incluye índice.}
}