@article{1183730522,
author = {Mostowski, Andrzej},
title = {Proofs of Non-Deducibility in Intuitionistic Functional Calculus},
journal = {J. Symbolic Logic},
volume = {13},
number = {1},
year = {1948},
pages = { 204-207},
language = {en},
url = {http://dml.mathdoc.fr/item/1183730522}
}
Mostowski, Andrzej. Proofs of Non-Deducibility in Intuitionistic Functional Calculus. J. Symbolic Logic, Tome 13 (1948) no. 1, pp. 204-207. http://gdmltest.u-ga.fr/item/1183730522/