@article{1183732206,
author = {Nelson, Raymond J.},
title = {Weak Simplest Normal Truth Functions},
journal = {J. Symbolic Logic},
volume = {20},
number = {1},
year = {1955},
pages = { 232-234},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732206}
}
Nelson, Raymond J. Weak Simplest Normal Truth Functions. J. Symbolic Logic, Tome 20 (1955) no. 1, pp. 232-234. http://gdmltest.u-ga.fr/item/1183732206/