@article{1183410406, author = {Bernays, Paul}, title = {A System of Axiomatic Set Theory--Part VI}, journal = {J. Symbolic Logic}, volume = {13}, number = {1}, year = {1948}, pages = { 65-79}, language = {en}, url = {http://dml.mathdoc.fr/item/1183410406} }
Bernays, Paul. A System of Axiomatic Set Theory--Part VI. J. Symbolic Logic, Tome 13 (1948) no. 1, pp. 65-79. http://gdmltest.u-ga.fr/item/1183410406/