@article{1093957154,
author = {Thomas, Ivo},
title = {On the infinity of positive logic.},
journal = {Notre Dame J. Formal Logic},
volume = {3},
number = {1},
year = {1962},
language = {en},
url = {http://dml.mathdoc.fr/item/1093957154}
}
Thomas, Ivo. On the infinity of positive logic.. Notre Dame J. Formal Logic, Tome 3 (1962) no. 1, . http://gdmltest.u-ga.fr/item/1093957154/