@article{1183142132,
author = {Fitch, Frederic Brenton},
title = {A System of Formal Logic Without an Analogue to the Curry $W$ Operator},
journal = {J. Symbolic Logic},
volume = {1},
number = {1},
year = {1936},
pages = { 92-100},
language = {en},
url = {http://dml.mathdoc.fr/item/1183142132}
}
Fitch, Frederic Brenton. A System of Formal Logic Without an Analogue to the Curry $W$ Operator. J. Symbolic Logic, Tome 1 (1936) no. 1, pp. 92-100. http://gdmltest.u-ga.fr/item/1183142132/