@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/