Haskell B. Curry. The undecidability of λK-conversion. Foundations of mathematics, Symposium papers commemorating the sixtieth birthday of Kurt Gödel, edited by Jack J. Bulloff, Thomas C. Holyoke, and S. W. Hahn, Springer-Verlag, Berlin, Heidelberg, and New York, 1969, pp. 10–14.
1975 ◽
Vol 40
(2)
◽
pp. 246-246