@article{1093883462,
author = {Hugly, Philip and Sayward, Charles},
title = {Completeness theorems for two propositional logics in which identity diverges from mutual entailment.},
journal = {Notre Dame J. Formal Logic},
volume = {22},
number = {1},
year = {1981},
pages = { 269-282},
language = {en},
url = {http://dml.mathdoc.fr/item/1093883462}
}
Hugly, Philip; Sayward, Charles. Completeness theorems for two propositional logics in which identity diverges from mutual entailment.. Notre Dame J. Formal Logic, Tome 22 (1981) no. 1, pp. 269-282. http://gdmltest.u-ga.fr/item/1093883462/