@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/