@article{1093958557,
author = {Leblanc, Hugues},
title = {Two separation theorems for natural deduction.},
journal = {Notre Dame J. Formal Logic},
volume = {7},
number = {1},
year = {1966},
pages = { 159-180},
language = {en},
url = {http://dml.mathdoc.fr/item/1093958557}
}
Leblanc, Hugues. Two separation theorems for natural deduction.. Notre Dame J. Formal Logic, Tome 7 (1966) no. 1, pp. 159-180. http://gdmltest.u-ga.fr/item/1093958557/