@article{1093891497,
author = {Fulton, James Andrew},
title = {Unary predicates.},
journal = {Notre Dame J. Formal Logic},
volume = {15},
number = {1},
year = {1974},
pages = { 635-638},
language = {en},
url = {http://dml.mathdoc.fr/item/1093891497}
}
Fulton, James Andrew. Unary predicates.. Notre Dame J. Formal Logic, Tome 15 (1974) no. 1, pp. 635-638. http://gdmltest.u-ga.fr/item/1093891497/