@article{1093893525,
author = {Coppotelli, Fred},
title = {A first order type theory for the theory of sets.},
journal = {Notre Dame J. Formal Logic},
volume = {9},
number = {1},
year = {1968},
pages = { 367-370},
language = {en},
url = {http://dml.mathdoc.fr/item/1093893525}
}
Coppotelli, Fred. A first order type theory for the theory of sets.. Notre Dame J. Formal Logic, Tome 9 (1968) no. 1, pp. 367-370. http://gdmltest.u-ga.fr/item/1093893525/