@article{1093958339,
author = {Canty, John Thomas},
title = {Systems classically axiomatized and properly contained in Lewis's ${\rm S}3$.},
journal = {Notre Dame J. Formal Logic},
volume = {6},
number = {1},
year = {1965},
pages = { 309-318},
language = {en},
url = {http://dml.mathdoc.fr/item/1093958339}
}
Canty, John Thomas. Systems classically axiomatized and properly contained in Lewis's ${\rm S}3$.. Notre Dame J. Formal Logic, Tome 6 (1965) no. 1, pp. 309-318. http://gdmltest.u-ga.fr/item/1093958339/