@article{1183732117,
author = {Nelson, Raymond J.},
title = {Simplest Normal Truth Functions},
journal = {J. Symbolic Logic},
volume = {20},
number = {1},
year = {1955},
pages = { 105-108},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732117}
}
Nelson, Raymond J. Simplest Normal Truth Functions. J. Symbolic Logic, Tome 20 (1955) no. 1, pp. 105-108. http://gdmltest.u-ga.fr/item/1183732117/