@article{1093882539,
author = {Gumb, Raymond D.},
title = {An extended joint consistency theorem for free logic with equality.},
journal = {Notre Dame J. Formal Logic},
volume = {20},
number = {1},
year = {1979},
pages = { 321-335},
language = {en},
url = {http://dml.mathdoc.fr/item/1093882539}
}
Gumb, Raymond D. An extended joint consistency theorem for free logic with equality.. Notre Dame J. Formal Logic, Tome 20 (1979) no. 1, pp. 321-335. http://gdmltest.u-ga.fr/item/1093882539/