S. C. Kleene. Realizability. Constructivity In mathematics, Proceedings of the colloquium held at Amsterdam, 1957, edited by A. Heyting. Studies in logic and the foundations of mathematics, North-Holland Publishing Company, Amsterdam1959, pp. 285–289. - S. C. Kleene. Realizability. Summaries of talks presented at the Summer Institute for Symbolic Logic, Cornell University, 1957, 2nd edn., Communications Research Division, Institute for Defense Analyses, Princeton, N.J., 1960, pp. 100–104.
1962 ◽
Vol 27
(2)
◽
pp. 242-243