@article{1183732661,
author = {Ehrenfeucht, Andrzej},
title = {Two Theories with Axioms Built by Means of Pleonasms},
journal = {J. Symbolic Logic},
volume = {22},
number = {1},
year = {1957},
pages = { 36-38},
language = {en},
url = {http://dml.mathdoc.fr/item/1183732661}
}
Ehrenfeucht, Andrzej. Two Theories with Axioms Built by Means of Pleonasms. J. Symbolic Logic, Tome 22 (1957) no. 1, pp. 36-38. http://gdmltest.u-ga.fr/item/1183732661/