@article{1093887831,
author = {Coppotelli, Fred},
title = {On two first order type theories for the theory of sets.},
journal = {Notre Dame J. Formal Logic},
volume = {18},
number = {1},
year = {1977},
pages = { 147-150},
language = {en},
url = {http://dml.mathdoc.fr/item/1093887831}
}
Coppotelli, Fred. On two first order type theories for the theory of sets.. Notre Dame J. Formal Logic, Tome 18 (1977) no. 1, pp. 147-150. http://gdmltest.u-ga.fr/item/1093887831/