@book{7616,
	author = {Russell, Bertrand,},
	title = {The principles of mathematics /},
	publisher = {George Allen & Unwin,},
	year = {c1937 [Impression 1956-1964]},
	address = {London :},
	edition = {2nd ed.},
	note = {The material on the subject originally intended to form the 2d volume was later developed into an independent work: Principia mathematica, by A.N. Whitehead and Bertrand Russell, in 3 volumes.}
}