@article{bwmeta1.element.bwnjournal-article-fmv37i1p5,
author = {Leon Henkin},
title = {An algebraic characterization of quantifiers},
journal = {Fundamenta Mathematicae},
volume = {37},
year = {1950},
pages = {63-74},
zbl = {0041.34804},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-fmv37i1p5}
}
Henkin, Leon. An algebraic characterization of quantifiers. Fundamenta Mathematicae, Tome 37 (1950) pp. 63-74. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-fmv37i1p5/