@article{1183732545,
author = {Lemmon, E. J.},
title = {Alternative Postulate Sets for Lewis's S5},
journal = {J. Symbolic Logic},
volume = {21},
number = {1},
year = {1956},
pages = { 347-349},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732545}
}
Lemmon, E. J. Alternative Postulate Sets for Lewis's S5. J. Symbolic Logic, Tome 21 (1956) no. 1, pp. 347-349. http://gdmltest.u-ga.fr/item/1183732545/