@article{1093637777,
author = {Ulrich, Dolph},
title = {A five-valued model of the $E$-$p$-$q$-theses.},
journal = {Notre Dame J. Formal Logic},
volume = {28},
number = {1},
year = {1987},
pages = { 137-138},
language = {en},
url = {http://dml.mathdoc.fr/item/1093637777}
}
Ulrich, Dolph. A five-valued model of the $E$-$p$-$q$-theses.. Notre Dame J. Formal Logic, Tome 28 (1987) no. 1, pp. 137-138. http://gdmltest.u-ga.fr/item/1093637777/