@article{1183142130,
author = {Lewis, C. I.},
title = {Emch's Calculus and Strict Implication},
journal = {J. Symbolic Logic},
volume = {1},
number = {1},
year = {1936},
pages = { 77-86},
language = {en},
url = {http://dml.mathdoc.fr/item/1183142130}
}
Lewis, C. I. Emch's Calculus and Strict Implication. J. Symbolic Logic, Tome 1 (1936) no. 1, pp. 77-86. http://gdmltest.u-ga.fr/item/1183142130/