@article{1183741851,
author = {Mason, Ian},
title = {The Metatheory of the Classical Propositional Calculus is not Axiomatizable},
journal = {J. Symbolic Logic},
volume = {50},
number = {1},
year = {1985},
pages = { 451-457},
language = {en},
url = {http://dml.mathdoc.fr/item/1183741851}
}
Mason, Ian. The Metatheory of the Classical Propositional Calculus is not Axiomatizable. J. Symbolic Logic, Tome 50 (1985) no. 1, pp. 451-457. http://gdmltest.u-ga.fr/item/1183741851/