@article{1183732331,
author = {Nelson, David},
title = {Review: P. G. J. Vredenduin, The Logic of Negationless Mathematics},
journal = {J. Symbolic Logic},
volume = {21},
number = {1},
year = {1956},
pages = { 92-93},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732331}
}
Nelson, David. Review: P. G. J. Vredenduin, The Logic of Negationless Mathematics. J. Symbolic Logic, Tome 21 (1956) no. 1, pp. 92-93. http://gdmltest.u-ga.fr/item/1183732331/