暂无分享,去创建一个
Ronald Harrop | R. Harrop
[1] A. Heyting. Constructivity in mathematics : proceedings of the colloquium held at Amsterdam, 1957 , 1959 .
[2] S. C. Kleene,et al. Introduction to Metamathematics , 1952 .
[3] Emil L. Post. Recursively enumerable sets of positive integers and their decision problems , 1944 .