Robert M. Solovay
On the cardinality of sets of reals. Foundations of mathematics, Symposium papers commemorating the sixtieth birthday of Kurt Gödel, edited by Jack J. Bulloff, Thomas C. Holyoke, S. W. Hahn, Springer-Verlag, Berlin, Heidelberg, and New York, 1969, pp. 58–73.
1974 ◽
Vol 39
(2)
◽
pp. 330-330