@article{1093887425,
author = {Lehmann, Scott K.},
title = {A first-order logic of knowledge and belief with identity. I.},
journal = {Notre Dame J. Formal Logic},
volume = {17},
number = {1},
year = {1976},
pages = { 59-77},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887425}
}
Lehmann, Scott K. A first-order logic of knowledge and belief with identity. I.. Notre Dame J. Formal Logic, Tome 17 (1976) no. 1, pp. 59-77. http://gdmltest.u-ga.fr/item/1093887425/