@article{1183142086,
author = {Emch, Arnold F.},
title = {Implication and Deducibility},
journal = {J. Symbolic Logic},
volume = {1},
number = {1},
year = {1936},
pages = { 26-35},
language = {en},
url = {http://dml.mathdoc.fr/item/1183142086}
}
Emch, Arnold F. Implication and Deducibility. J. Symbolic Logic, Tome 1 (1936) no. 1, pp. 26-35. http://gdmltest.u-ga.fr/item/1183142086/