@book{142779,
	author = {Crum, William Leonard. and Schumpeter, Joseph Alois,},
	title = {Elementos de matemáticas para economistas y estadígrafos},
	publisher = {Fondo de Cultura Económica},
	year = {1974.},
	series = {Seccion de obras de economia},
	address = {México},
	note = {Translation of : Rudimentary mathematics for economists and statisticians.}
}