@book{567493,
	author = {Greenwood, Thomas,},
	title = {Les fondements de la logique symbolique  :},
	publisher = {Hermann & cie,},
	year = {1938.},
	series = {Logique et methodologie, exposes pub. sous la direction de Thomas Greenwood ;},
	address = {Paris :},
	note = {Actualités scientifiques et industrielles. 588, 593.}
}