@article{1183735956,
author = {Nelson, D.},
title = {Review: F. L. Varpahovskij, The Nonrealizability of a Disjunction of Nonrealizable Formulas of Propositional Logic},
journal = {J. Symbolic Logic},
volume = {32},
number = {1},
year = {1967},
language = {en},
url = {http://dml.mathdoc.fr/item/1183735956}
}
Nelson, D. Review: F. L. Varpahovskij, The Nonrealizability of a Disjunction of Nonrealizable Formulas of Propositional Logic. J. Symbolic Logic, Tome 32 (1967) no. 1, . http://gdmltest.u-ga.fr/item/1183735956/