@article{1183731919,
author = {Parry, William Tuthill},
title = {A New Symbolism for the Propositional Calculus},
journal = {J. Symbolic Logic},
volume = {19},
number = {1},
year = {1954},
pages = { 161-168},
language = {en},
url = {http://dml.mathdoc.fr/item/1183731919}
}
Parry, William Tuthill. A New Symbolism for the Propositional Calculus. J. Symbolic Logic, Tome 19 (1954) no. 1, pp. 161-168. http://gdmltest.u-ga.fr/item/1183731919/