@article{1093888314,
author = {Girle, Roderic A.},
title = {Logics for knowledge, possibility, and existence.},
journal = {Notre Dame J. Formal Logic},
volume = {19},
number = {1},
year = {1978},
pages = { 200-214},
language = {en},
url = {http://dml.mathdoc.fr/item/1093888314}
}
Girle, Roderic A. Logics for knowledge, possibility, and existence.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 200-214. http://gdmltest.u-ga.fr/item/1093888314/