1. Bernays, P.: A system of axiomatic set theory. Studies in Logic and the Foundations of Mathematics 84, 1–119 (1976)
2. Bernays, P.: Axiomatic set theory. Courier Corporation (1991)
3. Church, A.: The Richard paradox. The American Mathematical Monthly 41(6), 356–361 (1934)
4. Curry, H.B.: Foundations of mathematical logic. Courier Corporation (1963)
5. Fraenkel, A.A., Bar-Hillel, Y., Levy, A.: Foundations of set theory, Studies in Logic and the Foundations of Mathematics, vol. 67. Elsevier (1973)