@article{1093890717,
author = {Hazen, Allen},
title = {Semantics for $S4.2$.},
journal = {Notre Dame J. Formal Logic},
volume = {13},
number = {3},
year = {1972},
pages = { 527-528},
language = {en},
url = {http://dml.mathdoc.fr/item/1093890717}
}
Hazen, Allen. Semantics for $S4.2$.. Notre Dame J. Formal Logic, Tome 13 (1972) no. 3, pp. 527-528. http://gdmltest.u-ga.fr/item/1093890717/