@article{1093887542,
author = {Georgacarakos, G. N.},
title = {Semantics for $S4.04$, $S4.4$, and $S4.3.2$.},
journal = {Notre Dame J. Formal Logic},
volume = {17},
number = {1},
year = {1976},
pages = { 297-302},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887542}
}
Georgacarakos, G. N. Semantics for $S4.04$, $S4.4$, and $S4.3.2$.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 297-302. http://gdmltest.u-ga.fr/item/1093887542/