The axiom of choice, 2015. ,
Axiom of choice and complementation, Proceedings of the American Mathematical Society, vol.51, issue.1, p.176178, 1975. ,
DOI : 10.1090/S0002-9939-1975-0373893-X
The Banach-Tarski Paradox. Encyclopedia of Mathematics and its Applications, 1993. ,
Sets in types, types in sets, TACS, pp.530346-2017, 1997. ,
DOI : 10.1007/BFb0014566