@book{6981,
	author = {Allen, R.G.D.},
	title = {Análisis matemático para economistas.},
	publisher = {Aguilar, },
	year = {1959.},
	series = {Biblioteca de Ciencias Económicas.},
	address = {Madrid : },
	edition = {4ta.ed.},
	note = {Incluye bibliografía.}
}