@article{1093888515,
author = {Bencivenga, Ermanno},
title = {A semantics for a weak free logic.},
journal = {Notre Dame J. Formal Logic},
volume = {19},
number = {1},
year = {1978},
pages = { 646-652},
language = {en},
url = {http://dml.mathdoc.fr/item/1093888515}
}
Bencivenga, Ermanno. A semantics for a weak free logic.. Notre Dame J. Formal Logic, Tome 19 (1978) no. 1, pp. 646-652. http://gdmltest.u-ga.fr/item/1093888515/