@article{1183737652,
author = {Bernays, Paul},
title = {Review: Peter Nidditch, A Note on the Redundant Axiom of Principia Mathematica},
journal = {J. Symbolic Logic},
volume = {36},
number = {1},
year = {1971},
pages = { 332-333},
language = {en},
url = {http://dml.mathdoc.fr/item/1183737652}
}
Bernays, Paul. Review: Peter Nidditch, A Note on the Redundant Axiom of Principia Mathematica. J. Symbolic Logic, Tome 36 (1971) no. 1, pp. 332-333. http://gdmltest.u-ga.fr/item/1183737652/