Nicolas D. Goodman. Intensions, Church's thesis, and the formalization of mathematics. Notre Dame Journal of Formal Logic, 28(4):473-489, 1987. [doi]
@article{Goodman87-1,
title = {Intensions, Church's thesis, and the formalization of mathematics},
author = {Nicolas D. Goodman},
year = {1987},
doi = {10.1305/ndjfl/1093637644},
url = {http://dx.doi.org/10.1305/ndjfl/1093637644},
researchr = {https://researchr.org/publication/Goodman87-1},
cites = {0},
citedby = {0},
journal = {Notre Dame Journal of Formal Logic},
volume = {28},
number = {4},
pages = {473-489},
}