@article{1183386796,
author = {Henle, Paul},
title = {Review: J. C. C. McKinsey, Proof of the Independence of the Primitive Symbols of Heyting's Calculus of Propositions},
journal = {J. Symbolic Logic},
volume = {5},
number = {1},
year = {1940},
language = {en},
url = {http://dml.mathdoc.fr/item/1183386796}
}
Henle, Paul. Review: J. C. C. McKinsey, Proof of the Independence of the Primitive Symbols of Heyting's Calculus of Propositions. J. Symbolic Logic, Tome 5 (1940) no. 1, . http://gdmltest.u-ga.fr/item/1183386796/