@article{1093893413,
author = {Leblanc, Hugues},
title = {Syntactically free, semantically bound. A note on variables.},
journal = {Notre Dame J. Formal Logic},
volume = {9},
number = {1},
year = {1968},
pages = { 167-170},
language = {en},
url = {http://dml.mathdoc.fr/item/1093893413}
}
Leblanc, Hugues. Syntactically free, semantically bound. A note on variables.. Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, pp. 167-170. http://gdmltest.u-ga.fr/item/1093893413/