@article{2366,
author = {Schneider, Hubert H.},
title = {A syntactical characterization of the predicate calculus with identity and the validity in all individual-domains},
journal = {Portugaliae mathematica},
volume = {20},
year = {1961},
pages = {105-117},
zbl = {0097.24502},
mrnumber = {0186533},
language = {en},
url = {http://dml.mathdoc.fr/item/2366}
}
Schneider, Hubert H. A syntactical characterization of the predicate calculus with identity and the validity in all individual-domains. Portugaliae mathematica, Tome 20 (1961) pp. 105-117. http://gdmltest.u-ga.fr/item/2366/