@article{1183389383, author = {Bernays, Paul}, title = {A System of Axiomatic Set Theory: Part IV. General Set Theory}, journal = {J. Symbolic Logic}, volume = {7}, number = {1}, year = {1942}, pages = { 133-145}, language = {en}, url = {http://dml.mathdoc.fr/item/1183389383} }
Bernays, Paul. A System of Axiomatic Set Theory: Part IV. General Set Theory. J. Symbolic Logic, Tome 7 (1942) no. 1, pp. 133-145. http://gdmltest.u-ga.fr/item/1183389383/